Finding the Fourth Proportional to 839,938,942,456.74, 1,159,103,404,863.80 and 469,147,771,608.69

Step by Step Solution

1. Step 1: Write the proportion equation
   839,938,942,456.74 : 1,159,103,404,863.80 = 469,147,771,608.69 : x
2. Step 2: Convert to fraction form
   839,938,942,456.74/1,159,103,404,863.80 = 469,147,771,608.69/x
3. Step 3: Cross multiply
   839,938,942,456.74x = 1,159,103,404,863.80 × 469,147,771,608.69
4. Step 4: Simplify right side
   839,938,942,456.74x = 543,790,779,455,897,021,186,048
5. Step 5: Solve for x
   x = 543,790,779,455,897,021,186,048/839,938,942,456.74
6. Step 6: Final answer
   x = 647,417,034,701.79