Finding the Fourth Proportional to 5,583.29, 7,685.61 and 4,826.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,583.29 : 7,685.61 = 4,826.72 : x
2. Step 2: Convert to fraction form
   5,583.29/7,685.61 = 4,826.72/x
3. Step 3: Cross multiply
   5,583.29x = 7,685.61 × 4,826.72
4. Step 4: Simplify right side
   5,583.29x = 37,096,287.50
5. Step 5: Solve for x
   x = 37,096,287.50/5,583.29
6. Step 6: Final answer
   x = 6,644.16