Finding the Fourth Proportional to 1,337.72, 1,846.07 and 748.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.72 : 1,846.07 = 748.40 : x
2. Step 2: Convert to fraction form
   1,337.72/1,846.07 = 748.40/x
3. Step 3: Cross multiply
   1,337.72x = 1,846.07 × 748.40
4. Step 4: Simplify right side
   1,337.72x = 1,381,585.82
5. Step 5: Solve for x
   x = 1,381,585.82/1,337.72
6. Step 6: Final answer
   x = 1,032.80