Finding the Fourth Proportional to 88,141.82, 131,917.53 and 72,346.30

Step by Step Solution

1. Step 1: Write the proportion equation
   88,141.82 : 131,917.53 = 72,346.30 : x
2. Step 2: Convert to fraction form
   88,141.82/131,917.53 = 72,346.30/x
3. Step 3: Cross multiply
   88,141.82x = 131,917.53 × 72,346.30
4. Step 4: Simplify right side
   88,141.82x = 9,543,745,200.64
5. Step 5: Solve for x
   x = 9,543,745,200.64/88,141.82
6. Step 6: Final answer
   x = 108,277.15