Finding the Fourth Proportional to 4,081.61, 6,123.83 and 1,617.18

Step by Step Solution

1. Step 1: Write the proportion equation
   4,081.61 : 6,123.83 = 1,617.18 : x
2. Step 2: Convert to fraction form
   4,081.61/6,123.83 = 1,617.18/x
3. Step 3: Cross multiply
   4,081.61x = 6,123.83 × 1,617.18
4. Step 4: Simplify right side
   4,081.61x = 9,903,327.31
5. Step 5: Solve for x
   x = 9,903,327.31/4,081.61
6. Step 6: Final answer
   x = 2,426.33