Finding the Fourth Proportional to 1,960.74, 2,705.94 and 1,174.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960.74 : 2,705.94 = 1,174.86 : x
2. Step 2: Convert to fraction form
   1,960.74/2,705.94 = 1,174.86/x
3. Step 3: Cross multiply
   1,960.74x = 2,705.94 × 1,174.86
4. Step 4: Simplify right side
   1,960.74x = 3,179,100.67
5. Step 5: Solve for x
   x = 3,179,100.67/1,960.74
6. Step 6: Final answer
   x = 1,621.38