Finding the Fourth Proportional to 2,997.78, 4,495.59 and 1,266.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,997.78 : 4,495.59 = 1,266.54 : x
2. Step 2: Convert to fraction form
   2,997.78/4,495.59 = 1,266.54/x
3. Step 3: Cross multiply
   2,997.78x = 4,495.59 × 1,266.54
4. Step 4: Simplify right side
   2,997.78x = 5,693,844.56
5. Step 5: Solve for x
   x = 5,693,844.56/2,997.78
6. Step 6: Final answer
   x = 1,899.35