Finding the Fourth Proportional to 12,577.86, 17,360.55 and 7,275.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,577.86 : 17,360.55 = 7,275.69 : x
2. Step 2: Convert to fraction form
   12,577.86/17,360.55 = 7,275.69/x
3. Step 3: Cross multiply
   12,577.86x = 17,360.55 × 7,275.69
4. Step 4: Simplify right side
   12,577.86x = 126,309,980.03
5. Step 5: Solve for x
   x = 126,309,980.03/12,577.86
6. Step 6: Final answer
   x = 10,042.25