Finding the Fourth Proportional to 16,490.59, 24,734.82 and 7,124.00

Step by Step Solution

1. Step 1: Write the proportion equation
   16,490.59 : 24,734.82 = 7,124.00 : x
2. Step 2: Convert to fraction form
   16,490.59/24,734.82 = 7,124.00/x
3. Step 3: Cross multiply
   16,490.59x = 24,734.82 × 7,124.00
4. Step 4: Simplify right side
   16,490.59x = 176,210,859.78
5. Step 5: Solve for x
   x = 176,210,859.78/16,490.59
6. Step 6: Final answer
   x = 10,685.54