Finding the Fourth Proportional to 1,561.98, 2,341.62 and 739.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561.98 : 2,341.62 = 739.83 : x
2. Step 2: Convert to fraction form
   1,561.98/2,341.62 = 739.83/x
3. Step 3: Cross multiply
   1,561.98x = 2,341.62 × 739.83
4. Step 4: Simplify right side
   1,561.98x = 1,732,400.72
5. Step 5: Solve for x
   x = 1,732,400.72/1,561.98
6. Step 6: Final answer
   x = 1,109.11