Finding the Fourth Proportional to 1,593,978.24, 2,199,690.59 and 905,650.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,593,978.24 : 2,199,690.59 = 905,650.97 : x
2. Step 2: Convert to fraction form
   1,593,978.24/2,199,690.59 = 905,650.97/x
3. Step 3: Cross multiply
   1,593,978.24x = 2,199,690.59 × 905,650.97
4. Step 4: Simplify right side
   1,593,978.24x = 1,992,151,922,032.60
5. Step 5: Solve for x
   x = 1,992,151,922,032.60/1,593,978.24
6. Step 6: Final answer
   x = 1,249,798.69