Finding the Fourth Proportional to 31,040.64, 42,836.94 and 17,612.46

Step by Step Solution

1. Step 1: Write the proportion equation
   31,040.64 : 42,836.94 = 17,612.46 : x
2. Step 2: Convert to fraction form
   31,040.64/42,836.94 = 17,612.46/x
3. Step 3: Cross multiply
   31,040.64x = 42,836.94 × 17,612.46
4. Step 4: Simplify right side
   31,040.64x = 754,463,892.27
5. Step 5: Solve for x
   x = 754,463,892.27/31,040.64
6. Step 6: Final answer
   x = 24,305.68