Finding the Fourth Proportional to 1,341,456,978.24, 2,012,403,866.76 and 396,150,681.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341,456,978.24 : 2,012,403,866.76 = 396,150,681.60 : x
2. Step 2: Convert to fraction form
   1,341,456,978.24/2,012,403,866.76 = 396,150,681.60/x
3. Step 3: Cross multiply
   1,341,456,978.24x = 2,012,403,866.76 × 396,150,681.60
4. Step 4: Simplify right side
   1,341,456,978.24x = 797,215,163,471,449,600
5. Step 5: Solve for x
   x = 797,215,163,471,449,600/1,341,456,978.24
6. Step 6: Final answer
   x = 594,290,518.74