Finding the Fourth Proportional to 1,557,978.78, 2,336,734.27 and 492,882.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557,978.78 : 2,336,734.27 = 492,882.44 : x
2. Step 2: Convert to fraction form
   1,557,978.78/2,336,734.27 = 492,882.44/x
3. Step 3: Cross multiply
   1,557,978.78x = 2,336,734.27 × 492,882.44
4. Step 4: Simplify right side
   1,557,978.78x = 1,151,735,288,629.22
5. Step 5: Solve for x
   x = 1,151,735,288,629.22/1,557,978.78
6. Step 6: Final answer
   x = 739,249.66