Finding the Fourth Proportional to 7,279.50, 10,032.38 and 5,286.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,279.50 : 10,032.38 = 5,286.59 : x
2. Step 2: Convert to fraction form
   7,279.50/10,032.38 = 5,286.59/x
3. Step 3: Cross multiply
   7,279.50x = 10,032.38 × 5,286.59
4. Step 4: Simplify right side
   7,279.50x = 53,037,104.87
5. Step 5: Solve for x
   x = 53,037,104.87/7,279.50
6. Step 6: Final answer
   x = 7,285.82