Finding the Fourth Proportional to 5,868.16, 8,100.56 and 3,954.40

Step by Step Solution

1. Step 1: Write the proportion equation
   5,868.16 : 8,100.56 = 3,954.40 : x
2. Step 2: Convert to fraction form
   5,868.16/8,100.56 = 3,954.40/x
3. Step 3: Cross multiply
   5,868.16x = 8,100.56 × 3,954.40
4. Step 4: Simplify right side
   5,868.16x = 32,032,854.46
5. Step 5: Solve for x
   x = 32,032,854.46/5,868.16
6. Step 6: Final answer
   x = 5,458.76