Finding the Fourth Proportional to 16,726.74, 25,092.54 and 8,931.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,726.74 : 25,092.54 = 8,931.30 : x
2. Step 2: Convert to fraction form
   16,726.74/25,092.54 = 8,931.30/x
3. Step 3: Cross multiply
   16,726.74x = 25,092.54 × 8,931.30
4. Step 4: Simplify right side
   16,726.74x = 224,109,002.50
5. Step 5: Solve for x
   x = 224,109,002.50/16,726.74
6. Step 6: Final answer
   x = 13,398.25