Finding the Fourth Proportional to 1,597.50, 2,204.55 and 898.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,597.50 : 2,204.55 = 898.89 : x
2. Step 2: Convert to fraction form
   1,597.50/2,204.55 = 898.89/x
3. Step 3: Cross multiply
   1,597.50x = 2,204.55 × 898.89
4. Step 4: Simplify right side
   1,597.50x = 1,981,647.95
5. Step 5: Solve for x
   x = 1,981,647.95/1,597.50
6. Step 6: Final answer
   x = 1,240.47