Finding the Fourth Proportional to 2,359.88, 3,540.50 and 898.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.88 : 3,540.50 = 898.69 : x
2. Step 2: Convert to fraction form
   2,359.88/3,540.50 = 898.69/x
3. Step 3: Cross multiply
   2,359.88x = 3,540.50 × 898.69
4. Step 4: Simplify right side
   2,359.88x = 3,181,811.95
5. Step 5: Solve for x
   x = 3,181,811.95/2,359.88
6. Step 6: Final answer
   x = 1,348.29