Finding the Fourth Proportional to 12,100.55, 16,705.70 and 8,066.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.55 : 16,705.70 = 8,066.30 : x
2. Step 2: Convert to fraction form
   12,100.55/16,705.70 = 8,066.30/x
3. Step 3: Cross multiply
   12,100.55x = 16,705.70 × 8,066.30
4. Step 4: Simplify right side
   12,100.55x = 134,753,187.91
5. Step 5: Solve for x
   x = 134,753,187.91/12,100.55
6. Step 6: Final answer
   x = 11,136.12