Finding the Fourth Proportional to 31,155.92, 42,995.04 and 17,008.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,155.92 : 42,995.04 = 17,008.84 : x
2. Step 2: Convert to fraction form
   31,155.92/42,995.04 = 17,008.84/x
3. Step 3: Cross multiply
   31,155.92x = 42,995.04 × 17,008.84
4. Step 4: Simplify right side
   31,155.92x = 731,295,756.15
5. Step 5: Solve for x
   x = 731,295,756.15/31,155.92
6. Step 6: Final answer
   x = 23,472.13