Finding the Fourth Proportional to 131,162,399.33, 180,938,734.61 and 78,201,755.82

Step by Step Solution

1. Step 1: Write the proportion equation
   131,162,399.33 : 180,938,734.61 = 78,201,755.82 : x
2. Step 2: Convert to fraction form
   131,162,399.33/180,938,734.61 = 78,201,755.82/x
3. Step 3: Cross multiply
   131,162,399.33x = 180,938,734.61 × 78,201,755.82
4. Step 4: Simplify right side
   131,162,399.33x = 14,149,726,741,959,992
5. Step 5: Solve for x
   x = 14,149,726,741,959,992/131,162,399.33
6. Step 6: Final answer
   x = 107,879,444.22