Finding the Fourth Proportional to 3,081.58, 4,623.42 and 1,693.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,081.58 : 4,623.42 = 1,693.15 : x
2. Step 2: Convert to fraction form
   3,081.58/4,623.42 = 1,693.15/x
3. Step 3: Cross multiply
   3,081.58x = 4,623.42 × 1,693.15
4. Step 4: Simplify right side
   3,081.58x = 7,828,143.57
5. Step 5: Solve for x
   x = 7,828,143.57/3,081.58
6. Step 6: Final answer
   x = 2,540.30