Finding the Fourth Proportional to 1,381.83, 1,906.92 and 752.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,381.83 : 1,906.92 = 752.35 : x
2. Step 2: Convert to fraction form
   1,381.83/1,906.92 = 752.35/x
3. Step 3: Cross multiply
   1,381.83x = 1,906.92 × 752.35
4. Step 4: Simplify right side
   1,381.83x = 1,434,674.66
5. Step 5: Solve for x
   x = 1,434,674.66/1,381.83
6. Step 6: Final answer
   x = 1,038.25