Finding the Fourth Proportional to 12,761.08, 17,610.28 and 7,454.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,761.08 : 17,610.28 = 7,454.86 : x
2. Step 2: Convert to fraction form
   12,761.08/17,610.28 = 7,454.86/x
3. Step 3: Cross multiply
   12,761.08x = 17,610.28 × 7,454.86
4. Step 4: Simplify right side
   12,761.08x = 131,282,109.30
5. Step 5: Solve for x
   x = 131,282,109.30/12,761.08
6. Step 6: Final answer
   x = 10,287.70