Finding the Fourth Proportional to 1,377.75, 1,901.27 and 748.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377.75 : 1,901.27 = 748.27 : x
2. Step 2: Convert to fraction form
   1,377.75/1,901.27 = 748.27/x
3. Step 3: Cross multiply
   1,377.75x = 1,901.27 × 748.27
4. Step 4: Simplify right side
   1,377.75x = 1,422,663.30
5. Step 5: Solve for x
   x = 1,422,663.30/1,377.75
6. Step 6: Final answer
   x = 1,032.60