Finding the Fourth Proportional to 2,428,137,217.83, 3,636,468,461.86 and 1,185,418,732.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,428,137,217.83 : 3,636,468,461.86 = 1,185,418,732.71 : x
2. Step 2: Convert to fraction form
   2,428,137,217.83/3,636,468,461.86 = 1,185,418,732.71/x
3. Step 3: Cross multiply
   2,428,137,217.83x = 3,636,468,461.86 × 1,185,418,732.71
4. Step 4: Simplify right side
   2,428,137,217.83x = 4,310,737,835,597,964,288
5. Step 5: Solve for x
   x = 4,310,737,835,597,964,288/2,428,137,217.83
6. Step 6: Final answer
   x = 1,775,327,112.46