Finding the Fourth Proportional to 8,256.57, 12,375.31 and 3,804.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,256.57 : 12,375.31 = 3,804.93 : x
2. Step 2: Convert to fraction form
   8,256.57/12,375.31 = 3,804.93/x
3. Step 3: Cross multiply
   8,256.57x = 12,375.31 × 3,804.93
4. Step 4: Simplify right side
   8,256.57x = 47,087,107.38
5. Step 5: Solve for x
   x = 47,087,107.38/8,256.57
6. Step 6: Final answer
   x = 5,702.99