Finding the Fourth Proportional to 2,774.96, 4,158.34 and 1,213.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,774.96 : 4,158.34 = 1,213.53 : x
2. Step 2: Convert to fraction form
   2,774.96/4,158.34 = 1,213.53/x
3. Step 3: Cross multiply
   2,774.96x = 4,158.34 × 1,213.53
4. Step 4: Simplify right side
   2,774.96x = 5,046,275.10
5. Step 5: Solve for x
   x = 5,046,275.10/2,774.96
6. Step 6: Final answer
   x = 1,818.50