Finding the Fourth Proportional to 8,585.33, 12,876.28 and 5,025.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,585.33 : 12,876.28 = 5,025.31 : x
2. Step 2: Convert to fraction form
   8,585.33/12,876.28 = 5,025.31/x
3. Step 3: Cross multiply
   8,585.33x = 12,876.28 × 5,025.31
4. Step 4: Simplify right side
   8,585.33x = 64,707,253.89
5. Step 5: Solve for x
   x = 64,707,253.89/8,585.33
6. Step 6: Final answer
   x = 7,536.96