Finding the Fourth Proportional to 1,914.57, 2,642.36 and 1,168.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.57 : 2,642.36 = 1,168.63 : x
2. Step 2: Convert to fraction form
   1,914.57/2,642.36 = 1,168.63/x
3. Step 3: Cross multiply
   1,914.57x = 2,642.36 × 1,168.63
4. Step 4: Simplify right side
   1,914.57x = 3,087,928.72
5. Step 5: Solve for x
   x = 3,087,928.72/1,914.57
6. Step 6: Final answer
   x = 1,612.86