Finding the Fourth Proportional to 111,242.16, 153,563.04 and 71,008.38

Step by Step Solution

1. Step 1: Write the proportion equation
   111,242.16 : 153,563.04 = 71,008.38 : x
2. Step 2: Convert to fraction form
   111,242.16/153,563.04 = 71,008.38/x
3. Step 3: Cross multiply
   111,242.16x = 153,563.04 × 71,008.38
4. Step 4: Simplify right side
   111,242.16x = 10,904,262,698.28
5. Step 5: Solve for x
   x = 10,904,262,698.28/111,242.16
6. Step 6: Final answer
   x = 98,022.75