Finding the Fourth Proportional to 1,148.22, 1,723.05 and 1,074.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,148.22 : 1,723.05 = 1,074.42 : x
2. Step 2: Convert to fraction form
   1,148.22/1,723.05 = 1,074.42/x
3. Step 3: Cross multiply
   1,148.22x = 1,723.05 × 1,074.42
4. Step 4: Simplify right side
   1,148.22x = 1,851,279.38
5. Step 5: Solve for x
   x = 1,851,279.38/1,148.22
6. Step 6: Final answer
   x = 1,612.30