Finding the Fourth Proportional to 12,402.18, 17,114.49 and 7,366.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,402.18 : 17,114.49 = 7,366.86 : x
2. Step 2: Convert to fraction form
   12,402.18/17,114.49 = 7,366.86/x
3. Step 3: Cross multiply
   12,402.18x = 17,114.49 × 7,366.86
4. Step 4: Simplify right side
   12,402.18x = 126,080,051.80
5. Step 5: Solve for x
   x = 126,080,051.80/12,402.18
6. Step 6: Final answer
   x = 10,165.96