Finding the Fourth Proportional to 9,755.42, 13,462.40 and 5,279.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,755.42 : 13,462.40 = 5,279.08 : x
2. Step 2: Convert to fraction form
   9,755.42/13,462.40 = 5,279.08/x
3. Step 3: Cross multiply
   9,755.42x = 13,462.40 × 5,279.08
4. Step 4: Simplify right side
   9,755.42x = 71,069,086.59
5. Step 5: Solve for x
   x = 71,069,086.59/9,755.42
6. Step 6: Final answer
   x = 7,285.09