Finding the Fourth Proportional to 9,926.16, 14,826.72 and 7,447.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,926.16 : 14,826.72 = 7,447.92 : x
2. Step 2: Convert to fraction form
   9,926.16/14,826.72 = 7,447.92/x
3. Step 3: Cross multiply
   9,926.16x = 14,826.72 × 7,447.92
4. Step 4: Simplify right side
   9,926.16x = 110,428,224.42
5. Step 5: Solve for x
   x = 110,428,224.42/9,926.16
6. Step 6: Final answer
   x = 11,124.97