Finding the Fourth Proportional to 88,081.46, 121,384.61 and 86,462.02

Step by Step Solution

1. Step 1: Write the proportion equation
   88,081.46 : 121,384.61 = 86,462.02 : x
2. Step 2: Convert to fraction form
   88,081.46/121,384.61 = 86,462.02/x
3. Step 3: Cross multiply
   88,081.46x = 121,384.61 × 86,462.02
4. Step 4: Simplify right side
   88,081.46x = 10,495,157,970.59
5. Step 5: Solve for x
   x = 10,495,157,970.59/88,081.46
6. Step 6: Final answer
   x = 119,152.86