Finding the Fourth Proportional to 16,586.54, 24,870.17 and 5,490.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,586.54 : 24,870.17 = 5,490.25 : x
2. Step 2: Convert to fraction form
   16,586.54/24,870.17 = 5,490.25/x
3. Step 3: Cross multiply
   16,586.54x = 24,870.17 × 5,490.25
4. Step 4: Simplify right side
   16,586.54x = 136,543,402.39
5. Step 5: Solve for x
   x = 136,543,402.39/16,586.54
6. Step 6: Final answer
   x = 8,232.18