Finding the Fourth Proportional to 12,496.32, 17,242.35 and 7,458.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,496.32 : 17,242.35 = 7,458.93 : x
2. Step 2: Convert to fraction form
   12,496.32/17,242.35 = 7,458.93/x
3. Step 3: Cross multiply
   12,496.32x = 17,242.35 × 7,458.93
4. Step 4: Simplify right side
   12,496.32x = 128,609,481.69
5. Step 5: Solve for x
   x = 128,609,481.69/12,496.32
6. Step 6: Final answer
   x = 10,291.79