Finding the Fourth Proportional to 3,665,541,727.98, 5,058,614,153.39 and 2,160,231,610.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665,541,727.98 : 5,058,614,153.39 = 2,160,231,610.86 : x
2. Step 2: Convert to fraction form
   3,665,541,727.98/5,058,614,153.39 = 2,160,231,610.86/x
3. Step 3: Cross multiply
   3,665,541,727.98x = 5,058,614,153.39 × 2,160,231,610.86
4. Step 4: Simplify right side
   3,665,541,727.98x = 10,927,778,201,286,074,368
5. Step 5: Solve for x
   x = 10,927,778,201,286,074,368/3,665,541,727.98
6. Step 6: Final answer
   x = 2,981,217,787.78