Finding the Fourth Proportional to 2,085.50, 3,124.96 and 1,693.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.50 : 3,124.96 = 1,693.59 : x
2. Step 2: Convert to fraction form
   2,085.50/3,124.96 = 1,693.59/x
3. Step 3: Cross multiply
   2,085.50x = 3,124.96 × 1,693.59
4. Step 4: Simplify right side
   2,085.50x = 5,292,414.53
5. Step 5: Solve for x
   x = 5,292,414.53/2,085.50
6. Step 6: Final answer
   x = 2,537.72