Finding the Fourth Proportional to 31,097.72, 42,916.02 and 17,671.26

Step by Step Solution

1. Step 1: Write the proportion equation
   31,097.72 : 42,916.02 = 17,671.26 : x
2. Step 2: Convert to fraction form
   31,097.72/42,916.02 = 17,671.26/x
3. Step 3: Cross multiply
   31,097.72x = 42,916.02 × 17,671.26
4. Step 4: Simplify right side
   31,097.72x = 758,380,147.59
5. Step 5: Solve for x
   x = 758,380,147.59/31,097.72
6. Step 6: Final answer
   x = 24,387.00