Finding the Fourth Proportional to 12,429.24, 17,152.22 and 7,393.35

Step by Step Solution

1. Step 1: Write the proportion equation
   12,429.24 : 17,152.22 = 7,393.35 : x
2. Step 2: Convert to fraction form
   12,429.24/17,152.22 = 7,393.35/x
3. Step 3: Cross multiply
   12,429.24x = 17,152.22 × 7,393.35
4. Step 4: Simplify right side
   12,429.24x = 126,812,328.77
5. Step 5: Solve for x
   x = 126,812,328.77/12,429.24
6. Step 6: Final answer
   x = 10,202.74