Finding the Fourth Proportional to 1,914.54, 2,641.86 and 1,168.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.54 : 2,641.86 = 1,168.71 : x
2. Step 2: Convert to fraction form
   1,914.54/2,641.86 = 1,168.71/x
3. Step 3: Cross multiply
   1,914.54x = 2,641.86 × 1,168.71
4. Step 4: Simplify right side
   1,914.54x = 3,087,568.20
5. Step 5: Solve for x
   x = 3,087,568.20/1,914.54
6. Step 6: Final answer
   x = 1,612.69