Finding the Fourth Proportional to 7,142.93, 9,854.43 and 4,452.57

Step by Step Solution

1. Step 1: Write the proportion equation
   7,142.93 : 9,854.43 = 4,452.57 : x
2. Step 2: Convert to fraction form
   7,142.93/9,854.43 = 4,452.57/x
3. Step 3: Cross multiply
   7,142.93x = 9,854.43 × 4,452.57
4. Step 4: Simplify right side
   7,142.93x = 43,877,522.69
5. Step 5: Solve for x
   x = 43,877,522.69/7,142.93
6. Step 6: Final answer
   x = 6,142.79