Finding the Fourth Proportional to 1,105,680.58, 1,525,586.73 and 622,069.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,680.58 : 1,525,586.73 = 622,069.27 : x
2. Step 2: Convert to fraction form
   1,105,680.58/1,525,586.73 = 622,069.27/x
3. Step 3: Cross multiply
   1,105,680.58x = 1,525,586.73 × 622,069.27
4. Step 4: Simplify right side
   1,105,680.58x = 949,020,617,306.06
5. Step 5: Solve for x
   x = 949,020,617,306.06/1,105,680.58
6. Step 6: Final answer
   x = 858,313.55