Finding the Fourth Proportional to 111,498.39, 153,867.88 and 60,511.13

Step by Step Solution

1. Step 1: Write the proportion equation
   111,498.39 : 153,867.88 = 60,511.13 : x
2. Step 2: Convert to fraction form
   111,498.39/153,867.88 = 60,511.13/x
3. Step 3: Cross multiply
   111,498.39x = 153,867.88 × 60,511.13
4. Step 4: Simplify right side
   111,498.39x = 9,310,719,289.50
5. Step 5: Solve for x
   x = 9,310,719,289.50/111,498.39
6. Step 6: Final answer
   x = 83,505.41