Finding the Fourth Proportional to 1,062,388.57, 1,466,053.57 and 578,943.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062,388.57 : 1,466,053.57 = 578,943.42 : x
2. Step 2: Convert to fraction form
   1,062,388.57/1,466,053.57 = 578,943.42/x
3. Step 3: Cross multiply
   1,062,388.57x = 1,466,053.57 × 578,943.42
4. Step 4: Simplify right side
   1,062,388.57x = 848,762,067,719.01
5. Step 5: Solve for x
   x = 848,762,067,719.01/1,062,388.57
6. Step 6: Final answer
   x = 798,918.67