Finding the Fourth Proportional to 2,665,005.72, 3,997,788.72 and 868,029.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,005.72 : 3,997,788.72 = 868,029.22 : x
2. Step 2: Convert to fraction form
   2,665,005.72/3,997,788.72 = 868,029.22/x
3. Step 3: Cross multiply
   2,665,005.72x = 3,997,788.72 × 868,029.22
4. Step 4: Simplify right side
   2,665,005.72x = 3,470,197,424,346.40
5. Step 5: Solve for x
   x = 3,470,197,424,346.40/2,665,005.72
6. Step 6: Final answer
   x = 1,302,135.08