Finding the Fourth Proportional to 2,799.83, 3,861.80 and 2,426.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.83 : 3,861.80 = 2,426.15 : x
2. Step 2: Convert to fraction form
   2,799.83/3,861.80 = 2,426.15/x
3. Step 3: Cross multiply
   2,799.83x = 3,861.80 × 2,426.15
4. Step 4: Simplify right side
   2,799.83x = 9,369,306.07
5. Step 5: Solve for x
   x = 9,369,306.07/2,799.83
6. Step 6: Final answer
   x = 3,346.38