Finding the Fourth Proportional to 1,055,618.55, 1,456,756.72 and 572,185.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055,618.55 : 1,456,756.72 = 572,185.62 : x
2. Step 2: Convert to fraction form
   1,055,618.55/1,456,756.72 = 572,185.62/x
3. Step 3: Cross multiply
   1,055,618.55x = 1,456,756.72 × 572,185.62
4. Step 4: Simplify right side
   1,055,618.55x = 833,535,241,950.01
5. Step 5: Solve for x
   x = 833,535,241,950.01/1,055,618.55
6. Step 6: Final answer
   x = 789,617.84