Finding the Fourth Proportional to 2,385.16, 3,291.45 and 1,337.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.16 : 3,291.45 = 1,337.22 : x
2. Step 2: Convert to fraction form
   2,385.16/3,291.45 = 1,337.22/x
3. Step 3: Cross multiply
   2,385.16x = 3,291.45 × 1,337.22
4. Step 4: Simplify right side
   2,385.16x = 4,401,392.77
5. Step 5: Solve for x
   x = 4,401,392.77/2,385.16
6. Step 6: Final answer
   x = 1,845.32