Finding the Fourth Proportional to 31,097.96, 42,915.27 and 17,673.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,097.96 : 42,915.27 = 17,673.68 : x
2. Step 2: Convert to fraction form
   31,097.96/42,915.27 = 17,673.68/x
3. Step 3: Cross multiply
   31,097.96x = 42,915.27 × 17,673.68
4. Step 4: Simplify right side
   31,097.96x = 758,470,534.52
5. Step 5: Solve for x
   x = 758,470,534.52/31,097.96
6. Step 6: Final answer
   x = 24,389.72