Finding the Fourth Proportional to 9,755.59, 13,462.62 and 5,279.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,755.59 : 13,462.62 = 5,279.25 : x
2. Step 2: Convert to fraction form
   9,755.59/13,462.62 = 5,279.25/x
3. Step 3: Cross multiply
   9,755.59x = 13,462.62 × 5,279.25
4. Step 4: Simplify right side
   9,755.59x = 71,072,536.64
5. Step 5: Solve for x
   x = 71,072,536.64/9,755.59
6. Step 6: Final answer
   x = 7,285.31