Finding the Fourth Proportional to 9,755.79, 13,462.88 and 5,279.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,755.79 : 13,462.88 = 5,279.46 : x
2. Step 2: Convert to fraction form
   9,755.79/13,462.88 = 5,279.46/x
3. Step 3: Cross multiply
   9,755.79x = 13,462.88 × 5,279.46
4. Step 4: Simplify right side
   9,755.79x = 71,076,659.56
5. Step 5: Solve for x
   x = 71,076,659.56/9,755.79
6. Step 6: Final answer
   x = 7,285.59