Finding the Fourth Proportional to 16,659.65, 24,988.56 and 5,565.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,659.65 : 24,988.56 = 5,565.18 : x
2. Step 2: Convert to fraction form
   16,659.65/24,988.56 = 5,565.18/x
3. Step 3: Cross multiply
   16,659.65x = 24,988.56 × 5,565.18
4. Step 4: Simplify right side
   16,659.65x = 139,065,834.34
5. Step 5: Solve for x
   x = 139,065,834.34/16,659.65
6. Step 6: Final answer
   x = 8,347.46