Finding the Fourth Proportional to 9,755.27, 13,462.31 and 5,279.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,755.27 : 13,462.31 = 5,279.02 : x
2. Step 2: Convert to fraction form
   9,755.27/13,462.31 = 5,279.02/x
3. Step 3: Cross multiply
   9,755.27x = 13,462.31 × 5,279.02
4. Step 4: Simplify right side
   9,755.27x = 71,067,866.43
5. Step 5: Solve for x
   x = 71,067,866.43/9,755.27
6. Step 6: Final answer
   x = 7,285.07