Finding the Fourth Proportional to 31,152.32, 42,989.16 and 17,725.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,152.32 : 42,989.16 = 17,725.04 : x
2. Step 2: Convert to fraction form
   31,152.32/42,989.16 = 17,725.04/x
3. Step 3: Cross multiply
   31,152.32x = 42,989.16 × 17,725.04
4. Step 4: Simplify right side
   31,152.32x = 761,984,580.57
5. Step 5: Solve for x
   x = 761,984,580.57/31,152.32
6. Step 6: Final answer
   x = 24,459.96