Finding the Fourth Proportional to 1,960.86, 2,706.27 and 1,174.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960.86 : 2,706.27 = 1,174.98 : x
2. Step 2: Convert to fraction form
   1,960.86/2,706.27 = 1,174.98/x
3. Step 3: Cross multiply
   1,960.86x = 2,706.27 × 1,174.98
4. Step 4: Simplify right side
   1,960.86x = 3,179,813.12
5. Step 5: Solve for x
   x = 3,179,813.12/1,960.86
6. Step 6: Final answer
   x = 1,621.64