Finding the Fourth Proportional to 3,840.29, 5,762.15 and 1,864.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,840.29 : 5,762.15 = 1,864.83 : x
2. Step 2: Convert to fraction form
   3,840.29/5,762.15 = 1,864.83/x
3. Step 3: Cross multiply
   3,840.29x = 5,762.15 × 1,864.83
4. Step 4: Simplify right side
   3,840.29x = 10,745,430.18
5. Step 5: Solve for x
   x = 10,745,430.18/3,840.29
6. Step 6: Final answer
   x = 2,798.08