Finding the Fourth Proportional to 3,111.80, 4,294.20 and 1,714.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.80 : 4,294.20 = 1,714.52 : x
2. Step 2: Convert to fraction form
   3,111.80/4,294.20 = 1,714.52/x
3. Step 3: Cross multiply
   3,111.80x = 4,294.20 × 1,714.52
4. Step 4: Simplify right side
   3,111.80x = 7,362,491.78
5. Step 5: Solve for x
   x = 7,362,491.78/3,111.80
6. Step 6: Final answer
   x = 2,365.99