Finding the Fourth Proportional to 111,373.71, 153,547.04 and 88,479.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,373.71 : 153,547.04 = 88,479.50 : x
2. Step 2: Convert to fraction form
   111,373.71/153,547.04 = 88,479.50/x
3. Step 3: Cross multiply
   111,373.71x = 153,547.04 × 88,479.50
4. Step 4: Simplify right side
   111,373.71x = 13,585,764,115.55
5. Step 5: Solve for x
   x = 13,585,764,115.55/111,373.71
6. Step 6: Final answer
   x = 121,983.58