Finding the Fourth Proportional to 2,385.74, 3,292.38 and 1,337.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.74 : 3,292.38 = 1,337.78 : x
2. Step 2: Convert to fraction form
   2,385.74/3,292.38 = 1,337.78/x
3. Step 3: Cross multiply
   2,385.74x = 3,292.38 × 1,337.78
4. Step 4: Simplify right side
   2,385.74x = 4,404,480.12
5. Step 5: Solve for x
   x = 4,404,480.12/2,385.74
6. Step 6: Final answer
   x = 1,846.17