Finding the Fourth Proportional to 88,947.15, 133,096.72 and 65,619.15

Step by Step Solution

1. Step 1: Write the proportion equation
   88,947.15 : 133,096.72 = 65,619.15 : x
2. Step 2: Convert to fraction form
   88,947.15/133,096.72 = 65,619.15/x
3. Step 3: Cross multiply
   88,947.15x = 133,096.72 × 65,619.15
4. Step 4: Simplify right side
   88,947.15x = 8,733,693,634.19
5. Step 5: Solve for x
   x = 8,733,693,634.19/88,947.15
6. Step 6: Final answer
   x = 98,189.70