Finding the Fourth Proportional to 12,049.26, 18,156.15 and 9,906.00

Step by Step Solution

1. Step 1: Write the proportion equation
   12,049.26 : 18,156.15 = 9,906.00 : x
2. Step 2: Convert to fraction form
   12,049.26/18,156.15 = 9,906.00/x
3. Step 3: Cross multiply
   12,049.26x = 18,156.15 × 9,906.00
4. Step 4: Simplify right side
   12,049.26x = 179,854,753.81
5. Step 5: Solve for x
   x = 179,854,753.81/12,049.26
6. Step 6: Final answer
   x = 14,926.63