Finding the Fourth Proportional to 12,763.80, 17,610.60 and 7,459.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,763.80 : 17,610.60 = 7,459.92 : x
2. Step 2: Convert to fraction form
   12,763.80/17,610.60 = 7,459.92/x
3. Step 3: Cross multiply
   12,763.80x = 17,610.60 × 7,459.92
4. Step 4: Simplify right side
   12,763.80x = 131,373,667.15
5. Step 5: Solve for x
   x = 131,373,667.15/12,763.80
6. Step 6: Final answer
   x = 10,292.68