Finding the Fourth Proportional to 4,871.27, 7,307.82 and 1,585.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,871.27 : 7,307.82 = 1,585.31 : x
2. Step 2: Convert to fraction form
   4,871.27/7,307.82 = 1,585.31/x
3. Step 3: Cross multiply
   4,871.27x = 7,307.82 × 1,585.31
4. Step 4: Simplify right side
   4,871.27x = 11,585,123.59
5. Step 5: Solve for x
   x = 11,585,123.59/4,871.27
6. Step 6: Final answer
   x = 2,378.25