Finding the Fourth Proportional to 1,345.33, 2,018.78 and 565.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345.33 : 2,018.78 = 565.27 : x
2. Step 2: Convert to fraction form
   1,345.33/2,018.78 = 565.27/x
3. Step 3: Cross multiply
   1,345.33x = 2,018.78 × 565.27
4. Step 4: Simplify right side
   1,345.33x = 1,141,160.82
5. Step 5: Solve for x
   x = 1,141,160.82/1,345.33
6. Step 6: Final answer
   x = 848.24