Finding the Fourth Proportional to 1,266.72, 1,883.46 and 1,217.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,266.72 : 1,883.46 = 1,217.52 : x
2. Step 2: Convert to fraction form
   1,266.72/1,883.46 = 1,217.52/x
3. Step 3: Cross multiply
   1,266.72x = 1,883.46 × 1,217.52
4. Step 4: Simplify right side
   1,266.72x = 2,293,150.22
5. Step 5: Solve for x
   x = 2,293,150.22/1,266.72
6. Step 6: Final answer
   x = 1,810.31