Finding the Fourth Proportional to 30,916.52, 42,665.76 and 17,487.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,916.52 : 42,665.76 = 17,487.50 : x
2. Step 2: Convert to fraction form
   30,916.52/42,665.76 = 17,487.50/x
3. Step 3: Cross multiply
   30,916.52x = 42,665.76 × 17,487.50
4. Step 4: Simplify right side
   30,916.52x = 746,117,478
5. Step 5: Solve for x
   x = 746,117,478/30,916.52
6. Step 6: Final answer
   x = 24,133.29