Finding the Fourth Proportional to 1,663.13, 2,493.72 and 738.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663.13 : 2,493.72 = 738.25 : x
2. Step 2: Convert to fraction form
   1,663.13/2,493.72 = 738.25/x
3. Step 3: Cross multiply
   1,663.13x = 2,493.72 × 738.25
4. Step 4: Simplify right side
   1,663.13x = 1,840,982.56
5. Step 5: Solve for x
   x = 1,840,982.56/1,663.13
6. Step 6: Final answer
   x = 1,106.94