Finding the Fourth Proportional to 12,540.06, 17,304.80 and 7,162.77

Step by Step Solution

1. Step 1: Write the proportion equation
   12,540.06 : 17,304.80 = 7,162.77 : x
2. Step 2: Convert to fraction form
   12,540.06/17,304.80 = 7,162.77/x
3. Step 3: Cross multiply
   12,540.06x = 17,304.80 × 7,162.77
4. Step 4: Simplify right side
   12,540.06x = 123,950,266.48
5. Step 5: Solve for x
   x = 123,950,266.48/12,540.06
6. Step 6: Final answer
   x = 9,884.34