Finding the Fourth Proportional to 2,927.56, 4,389.72 and 1,774.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,927.56 : 4,389.72 = 1,774.12 : x
2. Step 2: Convert to fraction form
   2,927.56/4,389.72 = 1,774.12/x
3. Step 3: Cross multiply
   2,927.56x = 4,389.72 × 1,774.12
4. Step 4: Simplify right side
   2,927.56x = 7,787,890.05
5. Step 5: Solve for x
   x = 7,787,890.05/2,927.56
6. Step 6: Final answer
   x = 2,660.20