Finding the Fourth Proportional to 1,105,744.43, 1,525,976.42 and 622,340.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,744.43 : 1,525,976.42 = 622,340.88 : x
2. Step 2: Convert to fraction form
   1,105,744.43/1,525,976.42 = 622,340.88/x
3. Step 3: Cross multiply
   1,105,744.43x = 1,525,976.42 × 622,340.88
4. Step 4: Simplify right side
   1,105,744.43x = 949,677,508,082.05
5. Step 5: Solve for x
   x = 949,677,508,082.05/1,105,744.43
6. Step 6: Final answer
   x = 858,858.05