Finding the Fourth Proportional to 1,596.18, 2,202.72 and 897.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,596.18 : 2,202.72 = 897.50 : x
2. Step 2: Convert to fraction form
   1,596.18/2,202.72 = 897.50/x
3. Step 3: Cross multiply
   1,596.18x = 2,202.72 × 897.50
4. Step 4: Simplify right side
   1,596.18x = 1,976,941.20
5. Step 5: Solve for x
   x = 1,976,941.20/1,596.18
6. Step 6: Final answer
   x = 1,238.55