Finding the Fourth Proportional to 2,385.18, 3,291.60 and 1,337.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.18 : 3,291.60 = 1,337.25 : x
2. Step 2: Convert to fraction form
   2,385.18/3,291.60 = 1,337.25/x
3. Step 3: Cross multiply
   2,385.18x = 3,291.60 × 1,337.25
4. Step 4: Simplify right side
   2,385.18x = 4,401,692.10
5. Step 5: Solve for x
   x = 4,401,692.10/2,385.18
6. Step 6: Final answer
   x = 1,845.43