Finding the Fourth Proportional to 31,152.24, 42,989.88 and 17,004.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,152.24 : 42,989.88 = 17,004.96 : x
2. Step 2: Convert to fraction form
   31,152.24/42,989.88 = 17,004.96/x
3. Step 3: Cross multiply
   31,152.24x = 42,989.88 × 17,004.96
4. Step 4: Simplify right side
   31,152.24x = 731,041,189.80
5. Step 5: Solve for x
   x = 731,041,189.80/31,152.24
6. Step 6: Final answer
   x = 23,466.73