Finding the Fourth Proportional to 1,662.78, 2,295.45 and 1,168.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.78 : 2,295.45 = 1,168.05 : x
2. Step 2: Convert to fraction form
   1,662.78/2,295.45 = 1,168.05/x
3. Step 3: Cross multiply
   1,662.78x = 2,295.45 × 1,168.05
4. Step 4: Simplify right side
   1,662.78x = 2,681,200.37
5. Step 5: Solve for x
   x = 2,681,200.37/1,662.78
6. Step 6: Final answer
   x = 1,612.48