Finding the Fourth Proportional to 1,561.39, 2,341.60 and 738.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561.39 : 2,341.60 = 738.83 : x
2. Step 2: Convert to fraction form
   1,561.39/2,341.60 = 738.83/x
3. Step 3: Cross multiply
   1,561.39x = 2,341.60 × 738.83
4. Step 4: Simplify right side
   1,561.39x = 1,730,044.33
5. Step 5: Solve for x
   x = 1,730,044.33/1,561.39
6. Step 6: Final answer
   x = 1,108.02