Finding the Fourth Proportional to 2,664,081.18, 3,993,623.73 and 1,297,556.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664,081.18 : 3,993,623.73 = 1,297,556.10 : x
2. Step 2: Convert to fraction form
   2,664,081.18/3,993,623.73 = 1,297,556.10/x
3. Step 3: Cross multiply
   2,664,081.18x = 3,993,623.73 × 1,297,556.10
4. Step 4: Simplify right side
   2,664,081.18x = 5,181,950,831,966.25
5. Step 5: Solve for x
   x = 5,181,950,831,966.25/2,664,081.18
6. Step 6: Final answer
   x = 1,945,117.47