Finding the Fourth Proportional to 7,141.53, 10,713.91 and 3,854.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,141.53 : 10,713.91 = 3,854.55 : x
2. Step 2: Convert to fraction form
   7,141.53/10,713.91 = 3,854.55/x
3. Step 3: Cross multiply
   7,141.53x = 10,713.91 × 3,854.55
4. Step 4: Simplify right side
   7,141.53x = 41,297,301.79
5. Step 5: Solve for x
   x = 41,297,301.79/7,141.53
6. Step 6: Final answer
   x = 5,782.70