Finding the Fourth Proportional to 118,077,789.84, 162,948,410.52 and 65,156,851.20

Step by Step Solution

1. Step 1: Write the proportion equation
   118,077,789.84 : 162,948,410.52 = 65,156,851.20 : x
2. Step 2: Convert to fraction form
   118,077,789.84/162,948,410.52 = 65,156,851.20/x
3. Step 3: Cross multiply
   118,077,789.84x = 162,948,410.52 × 65,156,851.20
4. Step 4: Simplify right side
   118,077,789.84x = 10,617,205,337,528,156
5. Step 5: Solve for x
   x = 10,617,205,337,528,156/118,077,789.84
6. Step 6: Final answer
   x = 89,917,039.88