Finding the Fourth Proportional to 1,251.37, 1,726.89 and 858.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,251.37 : 1,726.89 = 858.52 : x
2. Step 2: Convert to fraction form
   1,251.37/1,726.89 = 858.52/x
3. Step 3: Cross multiply
   1,251.37x = 1,726.89 × 858.52
4. Step 4: Simplify right side
   1,251.37x = 1,482,569.60
5. Step 5: Solve for x
   x = 1,482,569.60/1,251.37
6. Step 6: Final answer
   x = 1,184.76