Finding the Fourth Proportional to 2,916.72, 4,373.45 and 1,183.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,916.72 : 4,373.45 = 1,183.32 : x
2. Step 2: Convert to fraction form
   2,916.72/4,373.45 = 1,183.32/x
3. Step 3: Cross multiply
   2,916.72x = 4,373.45 × 1,183.32
4. Step 4: Simplify right side
   2,916.72x = 5,175,190.85
5. Step 5: Solve for x
   x = 5,175,190.85/2,916.72
6. Step 6: Final answer
   x = 1,774.32