Finding the Fourth Proportional to 8,133.31, 12,198.71 and 2,585.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,133.31 : 12,198.71 = 2,585.93 : x
2. Step 2: Convert to fraction form
   8,133.31/12,198.71 = 2,585.93/x
3. Step 3: Cross multiply
   8,133.31x = 12,198.71 × 2,585.93
4. Step 4: Simplify right side
   8,133.31x = 31,545,010.15
5. Step 5: Solve for x
   x = 31,545,010.15/8,133.31
6. Step 6: Final answer
   x = 3,878.50