Finding the Fourth Proportional to 2,569.56, 3,851.67 and 1,251.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569.56 : 3,851.67 = 1,251.39 : x
2. Step 2: Convert to fraction form
   2,569.56/3,851.67 = 1,251.39/x
3. Step 3: Cross multiply
   2,569.56x = 3,851.67 × 1,251.39
4. Step 4: Simplify right side
   2,569.56x = 4,819,941.32
5. Step 5: Solve for x
   x = 4,819,941.32/2,569.56
6. Step 6: Final answer
   x = 1,875.78