Finding the Fourth Proportional to 88,746.74, 132,440.88 and 79,280.46

Step by Step Solution

1. Step 1: Write the proportion equation
   88,746.74 : 132,440.88 = 79,280.46 : x
2. Step 2: Convert to fraction form
   88,746.74/132,440.88 = 79,280.46/x
3. Step 3: Cross multiply
   88,746.74x = 132,440.88 × 79,280.46
4. Step 4: Simplify right side
   88,746.74x = 10,499,973,889.20
5. Step 5: Solve for x
   x = 10,499,973,889.20/88,746.74
6. Step 6: Final answer
   x = 118,313.91