Finding the Fourth Proportional to 1,377.94, 1,901.58 and 748.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377.94 : 1,901.58 = 748.47 : x
2. Step 2: Convert to fraction form
   1,377.94/1,901.58 = 748.47/x
3. Step 3: Cross multiply
   1,377.94x = 1,901.58 × 748.47
4. Step 4: Simplify right side
   1,377.94x = 1,423,275.58
5. Step 5: Solve for x
   x = 1,423,275.58/1,377.94
6. Step 6: Final answer
   x = 1,032.90