Finding the Fourth Proportional to 31,188.32, 43,035.52 and 17,574.40

Step by Step Solution

1. Step 1: Write the proportion equation
   31,188.32 : 43,035.52 = 17,574.40 : x
2. Step 2: Convert to fraction form
   31,188.32/43,035.52 = 17,574.40/x
3. Step 3: Cross multiply
   31,188.32x = 43,035.52 × 17,574.40
4. Step 4: Simplify right side
   31,188.32x = 756,323,442.69
5. Step 5: Solve for x
   x = 756,323,442.69/31,188.32
6. Step 6: Final answer
   x = 24,250.21