Finding the Fourth Proportional to 5,284.24, 7,288.56 and 4,289.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,284.24 : 7,288.56 = 4,289.52 : x
2. Step 2: Convert to fraction form
   5,284.24/7,288.56 = 4,289.52/x
3. Step 3: Cross multiply
   5,284.24x = 7,288.56 × 4,289.52
4. Step 4: Simplify right side
   5,284.24x = 31,264,423.89
5. Step 5: Solve for x
   x = 31,264,423.89/5,284.24
6. Step 6: Final answer
   x = 5,916.54