Finding the Fourth Proportional to 1,408.64, 1,943.40 and 1,034.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408.64 : 1,943.40 = 1,034.72 : x
2. Step 2: Convert to fraction form
   1,408.64/1,943.40 = 1,034.72/x
3. Step 3: Cross multiply
   1,408.64x = 1,943.40 × 1,034.72
4. Step 4: Simplify right side
   1,408.64x = 2,010,874.85
5. Step 5: Solve for x
   x = 2,010,874.85/1,408.64
6. Step 6: Final answer
   x = 1,427.53