Finding the Fourth Proportional to 1,560.98, 2,340.12 and 738.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,560.98 : 2,340.12 = 738.83 : x
2. Step 2: Convert to fraction form
   1,560.98/2,340.12 = 738.83/x
3. Step 3: Cross multiply
   1,560.98x = 2,340.12 × 738.83
4. Step 4: Simplify right side
   1,560.98x = 1,728,950.86
5. Step 5: Solve for x
   x = 1,728,950.86/1,560.98
6. Step 6: Final answer
   x = 1,107.61