Finding the Fourth Proportional to 1,251.81, 1,875.69 and 702.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,251.81 : 1,875.69 = 702.27 : x
2. Step 2: Convert to fraction form
   1,251.81/1,875.69 = 702.27/x
3. Step 3: Cross multiply
   1,251.81x = 1,875.69 × 702.27
4. Step 4: Simplify right side
   1,251.81x = 1,317,240.82
5. Step 5: Solve for x
   x = 1,317,240.82/1,251.81
6. Step 6: Final answer
   x = 1,052.27