Finding the Fourth Proportional to 10,280.84, 14,187.47 and 5,565.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,280.84 : 14,187.47 = 5,565.08 : x
2. Step 2: Convert to fraction form
   10,280.84/14,187.47 = 5,565.08/x
3. Step 3: Cross multiply
   10,280.84x = 14,187.47 × 5,565.08
4. Step 4: Simplify right side
   10,280.84x = 78,954,306.78
5. Step 5: Solve for x
   x = 78,954,306.78/10,280.84
6. Step 6: Final answer
   x = 7,679.76