Finding the Fourth Proportional to 12,144.32, 16,760.84 and 7,430.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,144.32 : 16,760.84 = 7,430.16 : x
2. Step 2: Convert to fraction form
   12,144.32/16,760.84 = 7,430.16/x
3. Step 3: Cross multiply
   12,144.32x = 16,760.84 × 7,430.16
4. Step 4: Simplify right side
   12,144.32x = 124,535,722.93
5. Step 5: Solve for x
   x = 124,535,722.93/12,144.32
6. Step 6: Final answer
   x = 10,254.65