Finding the Fourth Proportional to 2,755.62, 4,134.72 and 1,113.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,755.62 : 4,134.72 = 1,113.36 : x
2. Step 2: Convert to fraction form
   2,755.62/4,134.72 = 1,113.36/x
3. Step 3: Cross multiply
   2,755.62x = 4,134.72 × 1,113.36
4. Step 4: Simplify right side
   2,755.62x = 4,603,431.86
5. Step 5: Solve for x
   x = 4,603,431.86/2,755.62
6. Step 6: Final answer
   x = 1,670.56