Finding the Fourth Proportional to 12,763.31, 17,618.13 and 7,459.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,763.31 : 17,618.13 = 7,459.83 : x
2. Step 2: Convert to fraction form
   12,763.31/17,618.13 = 7,459.83/x
3. Step 3: Cross multiply
   12,763.31x = 17,618.13 × 7,459.83
4. Step 4: Simplify right side
   12,763.31x = 131,428,254.72
5. Step 5: Solve for x
   x = 131,428,254.72/12,763.31
6. Step 6: Final answer
   x = 10,297.35