Finding the Fourth Proportional to 4,290.83, 5,920.85 and 2,402.15

Step by Step Solution

1. Step 1: Write the proportion equation
   4,290.83 : 5,920.85 = 2,402.15 : x
2. Step 2: Convert to fraction form
   4,290.83/5,920.85 = 2,402.15/x
3. Step 3: Cross multiply
   4,290.83x = 5,920.85 × 2,402.15
4. Step 4: Simplify right side
   4,290.83x = 14,222,769.83
5. Step 5: Solve for x
   x = 14,222,769.83/4,290.83
6. Step 6: Final answer
   x = 3,314.69