Finding the Fourth Proportional to 1,401.80, 1,932.41 and 897.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.80 : 1,932.41 = 897.60 : x
2. Step 2: Convert to fraction form
   1,401.80/1,932.41 = 897.60/x
3. Step 3: Cross multiply
   1,401.80x = 1,932.41 × 897.60
4. Step 4: Simplify right side
   1,401.80x = 1,734,517.07
5. Step 5: Solve for x
   x = 1,734,517.07/1,401.80
6. Step 6: Final answer
   x = 1,237.35