Finding the Fourth Proportional to 1,055,485.32, 1,456,563.98 and 572,045.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055,485.32 : 1,456,563.98 = 572,045.33 : x
2. Step 2: Convert to fraction form
   1,055,485.32/1,456,563.98 = 572,045.33/x
3. Step 3: Cross multiply
   1,055,485.32x = 1,456,563.98 × 572,045.33
4. Step 4: Simplify right side
   1,055,485.32x = 833,220,616,752.51
5. Step 5: Solve for x
   x = 833,220,616,752.51/1,055,485.32
6. Step 6: Final answer
   x = 789,419.43