Finding the Fourth Proportional to 5,391.42, 8,083.76 and 2,429.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,391.42 : 8,083.76 = 2,429.25 : x
2. Step 2: Convert to fraction form
   5,391.42/8,083.76 = 2,429.25/x
3. Step 3: Cross multiply
   5,391.42x = 8,083.76 × 2,429.25
4. Step 4: Simplify right side
   5,391.42x = 19,637,461.83
5. Step 5: Solve for x
   x = 19,637,461.83/5,391.42
6. Step 6: Final answer
   x = 3,642.35