Finding the Fourth Proportional to 2,569.13, 3,845.35 and 1,334.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569.13 : 3,845.35 = 1,334.78 : x
2. Step 2: Convert to fraction form
   2,569.13/3,845.35 = 1,334.78/x
3. Step 3: Cross multiply
   2,569.13x = 3,845.35 × 1,334.78
4. Step 4: Simplify right side
   2,569.13x = 5,132,696.27
5. Step 5: Solve for x
   x = 5,132,696.27/2,569.13
6. Step 6: Final answer
   x = 1,997.83