Finding the Fourth Proportional to 111,584.52, 153,942.12 and 71,287.83

Step by Step Solution

1. Step 1: Write the proportion equation
   111,584.52 : 153,942.12 = 71,287.83 : x
2. Step 2: Convert to fraction form
   111,584.52/153,942.12 = 71,287.83/x
3. Step 3: Cross multiply
   111,584.52x = 153,942.12 × 71,287.83
4. Step 4: Simplify right side
   111,584.52x = 10,974,199,680.40
5. Step 5: Solve for x
   x = 10,974,199,680.40/111,584.52
6. Step 6: Final answer
   x = 98,348.76