Finding the Fourth Proportional to 10,280.89, 14,187.63 and 5,565.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,280.89 : 14,187.63 = 5,565.16 : x
2. Step 2: Convert to fraction form
   10,280.89/14,187.63 = 5,565.16/x
3. Step 3: Cross multiply
   10,280.89x = 14,187.63 × 5,565.16
4. Step 4: Simplify right side
   10,280.89x = 78,956,430.97
5. Step 5: Solve for x
   x = 78,956,430.97/10,280.89
6. Step 6: Final answer
   x = 7,679.92