Finding the Fourth Proportional to 3,830.18, 5,744.34 and 1,854.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,830.18 : 5,744.34 = 1,854.59 : x
2. Step 2: Convert to fraction form
   3,830.18/5,744.34 = 1,854.59/x
3. Step 3: Cross multiply
   3,830.18x = 5,744.34 × 1,854.59
4. Step 4: Simplify right side
   3,830.18x = 10,653,366.80
5. Step 5: Solve for x
   x = 10,653,366.80/3,830.18
6. Step 6: Final answer
   x = 2,781.43