Finding the Fourth Proportional to 3,876.25, 5,814.42 and 954.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,876.25 : 5,814.42 = 954.55 : x
2. Step 2: Convert to fraction form
   3,876.25/5,814.42 = 954.55/x
3. Step 3: Cross multiply
   3,876.25x = 5,814.42 × 954.55
4. Step 4: Simplify right side
   3,876.25x = 5,550,154.61
5. Step 5: Solve for x
   x = 5,550,154.61/3,876.25
6. Step 6: Final answer
   x = 1,431.84