Finding the Fourth Proportional to 9,861.52, 14,706.74 and 8,410

Step by Step Solution

1. Step 1: Write the proportion equation
   9,861.52 : 14,706.74 = 8,410 : x
2. Step 2: Convert to fraction form
   9,861.52/14,706.74 = 8,410/x
3. Step 3: Cross multiply
   9,861.52x = 14,706.74 × 8,410
4. Step 4: Simplify right side
   9,861.52x = 123,683,683.40
5. Step 5: Solve for x
   x = 123,683,683.40/9,861.52
6. Step 6: Final answer
   x = 12,542.05