Finding the Fourth Proportional to 1,200,738.18, 1,801,107.27 and 569,307.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,738.18 : 1,801,107.27 = 569,307.54 : x
2. Step 2: Convert to fraction form
   1,200,738.18/1,801,107.27 = 569,307.54/x
3. Step 3: Cross multiply
   1,200,738.18x = 1,801,107.27 × 569,307.54
4. Step 4: Simplify right side
   1,200,738.18x = 1,025,383,949,159.82
5. Step 5: Solve for x
   x = 1,025,383,949,159.82/1,200,738.18
6. Step 6: Final answer
   x = 853,961.31