Finding the Fourth Proportional to 1,167.47, 1,608.65 and 1,105.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167.47 : 1,608.65 = 1,105.37 : x
2. Step 2: Convert to fraction form
   1,167.47/1,608.65 = 1,105.37/x
3. Step 3: Cross multiply
   1,167.47x = 1,608.65 × 1,105.37
4. Step 4: Simplify right side
   1,167.47x = 1,778,153.45
5. Step 5: Solve for x
   x = 1,778,153.45/1,167.47
6. Step 6: Final answer
   x = 1,523.08