Finding the Fourth Proportional to 31,150.68, 42,988.16 and 17,002.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,150.68 : 42,988.16 = 17,002.68 : x
2. Step 2: Convert to fraction form
   31,150.68/42,988.16 = 17,002.68/x
3. Step 3: Cross multiply
   31,150.68x = 42,988.16 × 17,002.68
4. Step 4: Simplify right side
   31,150.68x = 730,913,928.27
5. Step 5: Solve for x
   x = 730,913,928.27/31,150.68
6. Step 6: Final answer
   x = 23,463.82