Finding the Fourth Proportional to 9,755.49, 13,462.59 and 5,279.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,755.49 : 13,462.59 = 5,279.25 : x
2. Step 2: Convert to fraction form
   9,755.49/13,462.59 = 5,279.25/x
3. Step 3: Cross multiply
   9,755.49x = 13,462.59 × 5,279.25
4. Step 4: Simplify right side
   9,755.49x = 71,072,378.26
5. Step 5: Solve for x
   x = 71,072,378.26/9,755.49
6. Step 6: Final answer
   x = 7,285.37