Finding the Fourth Proportional to 2,314.52, 3,479.31 and 1,857.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,314.52 : 3,479.31 = 1,857.31 : x
2. Step 2: Convert to fraction form
   2,314.52/3,479.31 = 1,857.31/x
3. Step 3: Cross multiply
   2,314.52x = 3,479.31 × 1,857.31
4. Step 4: Simplify right side
   2,314.52x = 6,462,157.26
5. Step 5: Solve for x
   x = 6,462,157.26/2,314.52
6. Step 6: Final answer
   x = 2,792.01