Finding the Fourth Proportional to 10,280.86, 14,187.59 and 5,565.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,280.86 : 14,187.59 = 5,565.14 : x
2. Step 2: Convert to fraction form
   10,280.86/14,187.59 = 5,565.14/x
3. Step 3: Cross multiply
   10,280.86x = 14,187.59 × 5,565.14
4. Step 4: Simplify right side
   10,280.86x = 78,955,899.92
5. Step 5: Solve for x
   x = 78,955,899.92/10,280.86
6. Step 6: Final answer
   x = 7,679.89