Finding the Fourth Proportional to 9,755.55, 13,462.69 and 5,279.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,755.55 : 13,462.69 = 5,279.30 : x
2. Step 2: Convert to fraction form
   9,755.55/13,462.69 = 5,279.30/x
3. Step 3: Cross multiply
   9,755.55x = 13,462.69 × 5,279.30
4. Step 4: Simplify right side
   9,755.55x = 71,073,519.39
5. Step 5: Solve for x
   x = 71,073,519.39/9,755.55
6. Step 6: Final answer
   x = 7,285.45