Finding the Fourth Proportional to 12,577.12, 17,359.54 and 7,275

Step by Step Solution

1. Step 1: Write the proportion equation
   12,577.12 : 17,359.54 = 7,275 : x
2. Step 2: Convert to fraction form
   12,577.12/17,359.54 = 7,275/x
3. Step 3: Cross multiply
   12,577.12x = 17,359.54 × 7,275
4. Step 4: Simplify right side
   12,577.12x = 126,290,653.50
5. Step 5: Solve for x
   x = 126,290,653.50/12,577.12
6. Step 6: Final answer
   x = 10,041.30