Finding the Fourth Proportional to 12,344.48, 17,036.32 and 7,039.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,344.48 : 17,036.32 = 7,039.42 : x
2. Step 2: Convert to fraction form
   12,344.48/17,036.32 = 7,039.42/x
3. Step 3: Cross multiply
   12,344.48x = 17,036.32 × 7,039.42
4. Step 4: Simplify right side
   12,344.48x = 119,925,811.73
5. Step 5: Solve for x
   x = 119,925,811.73/12,344.48
6. Step 6: Final answer
   x = 9,714.93