Finding the Fourth Proportional to 31,152.34, 42,989.88 and 17,004.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,152.34 : 42,989.88 = 17,004.88 : x
2. Step 2: Convert to fraction form
   31,152.34/42,989.88 = 17,004.88/x
3. Step 3: Cross multiply
   31,152.34x = 42,989.88 × 17,004.88
4. Step 4: Simplify right side
   31,152.34x = 731,037,750.61
5. Step 5: Solve for x
   x = 731,037,750.61/31,152.34
6. Step 6: Final answer
   x = 23,466.54