Finding the Fourth Proportional to 12,392.68, 17,096.32 and 7,357.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,392.68 : 17,096.32 = 7,357.12 : x
2. Step 2: Convert to fraction form
   12,392.68/17,096.32 = 7,357.12/x
3. Step 3: Cross multiply
   12,392.68x = 17,096.32 × 7,357.12
4. Step 4: Simplify right side
   12,392.68x = 125,779,677.80
5. Step 5: Solve for x
   x = 125,779,677.80/12,392.68
6. Step 6: Final answer
   x = 10,149.51