Finding the Fourth Proportional to 131,085.98, 180,914.01 and 74,505.86

Step by Step Solution

1. Step 1: Write the proportion equation
   131,085.98 : 180,914.01 = 74,505.86 : x
2. Step 2: Convert to fraction form
   131,085.98/180,914.01 = 74,505.86/x
3. Step 3: Cross multiply
   131,085.98x = 180,914.01 × 74,505.86
4. Step 4: Simplify right side
   131,085.98x = 13,479,153,901.10
5. Step 5: Solve for x
   x = 13,479,153,901.10/131,085.98
6. Step 6: Final answer
   x = 102,826.82