Finding the Fourth Proportional to 2,826,005.10, 3,961,721.55 and 2,826,005.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826,005.10 : 3,961,721.55 = 2,826,005.10 : x
2. Step 2: Convert to fraction form
   2,826,005.10/3,961,721.55 = 2,826,005.10/x
3. Step 3: Cross multiply
   2,826,005.10x = 3,961,721.55 × 2,826,005.10
4. Step 4: Simplify right side
   2,826,005.10x = 11,195,845,305,079.90
5. Step 5: Solve for x
   x = 11,195,845,305,079.90/2,826,005.10
6. Step 6: Final answer
   x = 3,961,721.55