Finding the Fourth Proportional to 10,061.69, 13,876.04 and 6,285.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.69 : 13,876.04 = 6,285.20 : x
2. Step 2: Convert to fraction form
   10,061.69/13,876.04 = 6,285.20/x
3. Step 3: Cross multiply
   10,061.69x = 13,876.04 × 6,285.20
4. Step 4: Simplify right side
   10,061.69x = 87,213,585.80
5. Step 5: Solve for x
   x = 87,213,585.80/10,061.69
6. Step 6: Final answer
   x = 8,667.89