Finding the Fourth Proportional to 12,865.87, 17,759.28 and 7,562.26

Step by Step Solution

1. Step 1: Write the proportion equation
   12,865.87 : 17,759.28 = 7,562.26 : x
2. Step 2: Convert to fraction form
   12,865.87/17,759.28 = 7,562.26/x
3. Step 3: Cross multiply
   12,865.87x = 17,759.28 × 7,562.26
4. Step 4: Simplify right side
   12,865.87x = 134,300,292.77
5. Step 5: Solve for x
   x = 134,300,292.77/12,865.87
6. Step 6: Final answer
   x = 10,438.49