Finding the Fourth Proportional to 1,773.44, 2,447.20 and 1,074.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,773.44 : 2,447.20 = 1,074.72 : x
2. Step 2: Convert to fraction form
   1,773.44/2,447.20 = 1,074.72/x
3. Step 3: Cross multiply
   1,773.44x = 2,447.20 × 1,074.72
4. Step 4: Simplify right side
   1,773.44x = 2,630,054.78
5. Step 5: Solve for x
   x = 2,630,054.78/1,773.44
6. Step 6: Final answer
   x = 1,483.02