Finding the Fourth Proportional to 10,280.87, 14,187.59 and 5,565.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,280.87 : 14,187.59 = 5,565.17 : x
2. Step 2: Convert to fraction form
   10,280.87/14,187.59 = 5,565.17/x
3. Step 3: Cross multiply
   10,280.87x = 14,187.59 × 5,565.17
4. Step 4: Simplify right side
   10,280.87x = 78,956,322.41
5. Step 5: Solve for x
   x = 78,956,322.41/10,280.87
6. Step 6: Final answer
   x = 7,679.93