Finding the Fourth Proportional to 31,150.92, 42,988.58 and 17,003.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,150.92 : 42,988.58 = 17,003.88 : x
2. Step 2: Convert to fraction form
   31,150.92/42,988.58 = 17,003.88/x
3. Step 3: Cross multiply
   31,150.92x = 42,988.58 × 17,003.88
4. Step 4: Simplify right side
   31,150.92x = 730,972,655.69
5. Step 5: Solve for x
   x = 730,972,655.69/31,150.92
6. Step 6: Final answer
   x = 23,465.52