Finding the Fourth Proportional to 31,200.04, 43,042.24 and 18,617.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,200.04 : 43,042.24 = 18,617.52 : x
2. Step 2: Convert to fraction form
   31,200.04/43,042.24 = 18,617.52/x
3. Step 3: Cross multiply
   31,200.04x = 43,042.24 × 18,617.52
4. Step 4: Simplify right side
   31,200.04x = 801,339,764.04
5. Step 5: Solve for x
   x = 801,339,764.04/31,200.04
6. Step 6: Final answer
   x = 25,683.93