Finding the Fourth Proportional to 10,861.50, 14,988.15 and 6,080.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,861.50 : 14,988.15 = 6,080.61 : x
2. Step 2: Convert to fraction form
   10,861.50/14,988.15 = 6,080.61/x
3. Step 3: Cross multiply
   10,861.50x = 14,988.15 × 6,080.61
4. Step 4: Simplify right side
   10,861.50x = 91,137,094.77
5. Step 5: Solve for x
   x = 91,137,094.77/10,861.50
6. Step 6: Final answer
   x = 8,390.84