Finding the Fourth Proportional to 9,002.24, 13,499.94 and 4,320.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,002.24 : 13,499.94 = 4,320.92 : x
2. Step 2: Convert to fraction form
   9,002.24/13,499.94 = 4,320.92/x
3. Step 3: Cross multiply
   9,002.24x = 13,499.94 × 4,320.92
4. Step 4: Simplify right side
   9,002.24x = 58,332,160.58
5. Step 5: Solve for x
   x = 58,332,160.58/9,002.24
6. Step 6: Final answer
   x = 6,479.74