Finding the Fourth Proportional to 12,747.60, 17,595.72 and 7,444.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,747.60 : 17,595.72 = 7,444.56 : x
2. Step 2: Convert to fraction form
   12,747.60/17,595.72 = 7,444.56/x
3. Step 3: Cross multiply
   12,747.60x = 17,595.72 × 7,444.56
4. Step 4: Simplify right side
   12,747.60x = 130,992,393.28
5. Step 5: Solve for x
   x = 130,992,393.28/12,747.60
6. Step 6: Final answer
   x = 10,275.85