Finding the Fourth Proportional to 12,462.29, 17,199.80 and 7,429.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,462.29 : 17,199.80 = 7,429.46 : x
2. Step 2: Convert to fraction form
   12,462.29/17,199.80 = 7,429.46/x
3. Step 3: Cross multiply
   12,462.29x = 17,199.80 × 7,429.46
4. Step 4: Simplify right side
   12,462.29x = 127,785,102.96
5. Step 5: Solve for x
   x = 127,785,102.96/12,462.29
6. Step 6: Final answer
   x = 10,253.75