Finding the Fourth Proportional to 2,237.53, 3,085.90 and 1,679.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,237.53 : 3,085.90 = 1,679.31 : x
2. Step 2: Convert to fraction form
   2,237.53/3,085.90 = 1,679.31/x
3. Step 3: Cross multiply
   2,237.53x = 3,085.90 × 1,679.31
4. Step 4: Simplify right side
   2,237.53x = 5,182,182.73
5. Step 5: Solve for x
   x = 5,182,182.73/2,237.53
6. Step 6: Final answer
   x = 2,316.03