Finding the Fourth Proportional to 2,385.30, 3,289.43 and 1,825.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.30 : 3,289.43 = 1,825.79 : x
2. Step 2: Convert to fraction form
   2,385.30/3,289.43 = 1,825.79/x
3. Step 3: Cross multiply
   2,385.30x = 3,289.43 × 1,825.79
4. Step 4: Simplify right side
   2,385.30x = 6,005,782.82
5. Step 5: Solve for x
   x = 6,005,782.82/2,385.30
6. Step 6: Final answer
   x = 2,517.83