Finding the Fourth Proportional to 9,755.58, 13,462.70 and 5,279.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,755.58 : 13,462.70 = 5,279.33 : x
2. Step 2: Convert to fraction form
   9,755.58/13,462.70 = 5,279.33/x
3. Step 3: Cross multiply
   9,755.58x = 13,462.70 × 5,279.33
4. Step 4: Simplify right side
   9,755.58x = 71,074,109.60
5. Step 5: Solve for x
   x = 71,074,109.60/9,755.58
6. Step 6: Final answer
   x = 7,285.48