Finding the Fourth Proportional to 131,065,810.86, 180,874,653.59 and 71,530,925.49

Step by Step Solution

1. Step 1: Write the proportion equation
   131,065,810.86 : 180,874,653.59 = 71,530,925.49 : x
2. Step 2: Convert to fraction form
   131,065,810.86/180,874,653.59 = 71,530,925.49/x
3. Step 3: Cross multiply
   131,065,810.86x = 180,874,653.59 × 71,530,925.49
4. Step 4: Simplify right side
   131,065,810.86x = 12,938,131,368,975,850
5. Step 5: Solve for x
   x = 12,938,131,368,975,850/131,065,810.86
6. Step 6: Final answer
   x = 98,714,769.96