Finding the Fourth Proportional to 1,055,618.30, 1,456,756.37 and 572,185.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055,618.30 : 1,456,756.37 = 572,185.37 : x
2. Step 2: Convert to fraction form
   1,055,618.30/1,456,756.37 = 572,185.37/x
3. Step 3: Cross multiply
   1,055,618.30x = 1,456,756.37 × 572,185.37
4. Step 4: Simplify right side
   1,055,618.30x = 833,534,678,909.98
5. Step 5: Solve for x
   x = 833,534,678,909.98/1,055,618.30
6. Step 6: Final answer
   x = 789,617.50