Finding the Fourth Proportional to 1,914.29, 2,641.91 and 1,168.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.29 : 2,641.91 = 1,168.75 : x
2. Step 2: Convert to fraction form
   1,914.29/2,641.91 = 1,168.75/x
3. Step 3: Cross multiply
   1,914.29x = 2,641.91 × 1,168.75
4. Step 4: Simplify right side
   1,914.29x = 3,087,732.31
5. Step 5: Solve for x
   x = 3,087,732.31/1,914.29
6. Step 6: Final answer
   x = 1,612.99