Finding the Fourth Proportional to 8,131.31, 12,195.71 and 2,583.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,131.31 : 12,195.71 = 2,583.93 : x
2. Step 2: Convert to fraction form
   8,131.31/12,195.71 = 2,583.93/x
3. Step 3: Cross multiply
   8,131.31x = 12,195.71 × 2,583.93
4. Step 4: Simplify right side
   8,131.31x = 31,512,860.94
5. Step 5: Solve for x
   x = 31,512,860.94/8,131.31
6. Step 6: Final answer
   x = 3,875.50