Finding the Fourth Proportional to 1,363.09, 2,045.89 and 748.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.09 : 2,045.89 = 748.07 : x
2. Step 2: Convert to fraction form
   1,363.09/2,045.89 = 748.07/x
3. Step 3: Cross multiply
   1,363.09x = 2,045.89 × 748.07
4. Step 4: Simplify right side
   1,363.09x = 1,530,468.93
5. Step 5: Solve for x
   x = 1,530,468.93/1,363.09
6. Step 6: Final answer
   x = 1,122.79