Finding the Fourth Proportional to 10,280.91, 14,187.68 and 5,565.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,280.91 : 14,187.68 = 5,565.18 : x
2. Step 2: Convert to fraction form
   10,280.91/14,187.68 = 5,565.18/x
3. Step 3: Cross multiply
   10,280.91x = 14,187.68 × 5,565.18
4. Step 4: Simplify right side
   10,280.91x = 78,956,965.16
5. Step 5: Solve for x
   x = 78,956,965.16/10,280.91
6. Step 6: Final answer
   x = 7,679.96