Finding the Fourth Proportional to 2,023,596.78, 2,792,848.38 and 1,288,316.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,023,596.78 : 2,792,848.38 = 1,288,316.22 : x
2. Step 2: Convert to fraction form
   2,023,596.78/2,792,848.38 = 1,288,316.22/x
3. Step 3: Cross multiply
   2,023,596.78x = 2,792,848.38 × 1,288,316.22
4. Step 4: Simplify right side
   2,023,596.78x = 3,598,071,867,954.72
5. Step 5: Solve for x
   x = 3,598,071,867,954.72/2,023,596.78
6. Step 6: Final answer
   x = 1,778,057.72