Finding the Fourth Proportional to 1,738.85, 2,399.61 and 942.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.85 : 2,399.61 = 942.18 : x
2. Step 2: Convert to fraction form
   1,738.85/2,399.61 = 942.18/x
3. Step 3: Cross multiply
   1,738.85x = 2,399.61 × 942.18
4. Step 4: Simplify right side
   1,738.85x = 2,260,864.55
5. Step 5: Solve for x
   x = 2,260,864.55/1,738.85
6. Step 6: Final answer
   x = 1,300.21