Finding the Fourth Proportional to 2,251.25, 3,106.73 and 1,366.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251.25 : 3,106.73 = 1,366.89 : x
2. Step 2: Convert to fraction form
   2,251.25/3,106.73 = 1,366.89/x
3. Step 3: Cross multiply
   2,251.25x = 3,106.73 × 1,366.89
4. Step 4: Simplify right side
   2,251.25x = 4,246,551.34
5. Step 5: Solve for x
   x = 4,246,551.34/2,251.25
6. Step 6: Final answer
   x = 1,886.31