Finding the Fourth Proportional to 12,393.46, 17,101.15 and 7,357.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,393.46 : 17,101.15 = 7,357.89 : x
2. Step 2: Convert to fraction form
   12,393.46/17,101.15 = 7,357.89/x
3. Step 3: Cross multiply
   12,393.46x = 17,101.15 × 7,357.89
4. Step 4: Simplify right side
   12,393.46x = 125,828,380.57
5. Step 5: Solve for x
   x = 125,828,380.57/12,393.46
6. Step 6: Final answer
   x = 10,152.80