Finding the Fourth Proportional to 9,443.76, 13,032.20 and 5,251.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,443.76 : 13,032.20 = 5,251.92 : x
2. Step 2: Convert to fraction form
   9,443.76/13,032.20 = 5,251.92/x
3. Step 3: Cross multiply
   9,443.76x = 13,032.20 × 5,251.92
4. Step 4: Simplify right side
   9,443.76x = 68,444,071.82
5. Step 5: Solve for x
   x = 68,444,071.82/9,443.76
6. Step 6: Final answer
   x = 7,247.54