Finding the Fourth Proportional to 151,610,109.46, 209,221,951.38 and 81,995,490.33

Step by Step Solution

1. Step 1: Write the proportion equation
   151,610,109.46 : 209,221,951.38 = 81,995,490.33 : x
2. Step 2: Convert to fraction form
   151,610,109.46/209,221,951.38 = 81,995,490.33/x
3. Step 3: Cross multiply
   151,610,109.46x = 209,221,951.38 × 81,995,490.33
4. Step 4: Simplify right side
   151,610,109.46x = 17,155,256,491,202,520
5. Step 5: Solve for x
   x = 17,155,256,491,202,520/151,610,109.46
6. Step 6: Final answer
   x = 113,153,776.83