Finding the Fourth Proportional to 12,560.82, 17,337.05 and 7,258.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,560.82 : 17,337.05 = 7,258.69 : x
2. Step 2: Convert to fraction form
   12,560.82/17,337.05 = 7,258.69/x
3. Step 3: Cross multiply
   12,560.82x = 17,337.05 × 7,258.69
4. Step 4: Simplify right side
   12,560.82x = 125,844,271.46
5. Step 5: Solve for x
   x = 125,844,271.46/12,560.82
6. Step 6: Final answer
   x = 10,018.79