Finding the Fourth Proportional to 2,167,040,764.72, 2,990,333,694.52 and 1,201,450,498.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167,040,764.72 : 2,990,333,694.52 = 1,201,450,498.80 : x
2. Step 2: Convert to fraction form
   2,167,040,764.72/2,990,333,694.52 = 1,201,450,498.80/x
3. Step 3: Cross multiply
   2,167,040,764.72x = 2,990,333,694.52 × 1,201,450,498.80
4. Step 4: Simplify right side
   2,167,040,764.72x = 3,592,737,908,859,500,544
5. Step 5: Solve for x
   x = 3,592,737,908,859,500,544/2,167,040,764.72
6. Step 6: Final answer
   x = 1,657,900,473.01