Finding the Fourth Proportional to 2,101,626.81, 2,899,238.27 and 2,020,147.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101,626.81 : 2,899,238.27 = 2,020,147.29 : x
2. Step 2: Convert to fraction form
   2,101,626.81/2,899,238.27 = 2,020,147.29/x
3. Step 3: Cross multiply
   2,101,626.81x = 2,899,238.27 × 2,020,147.29
4. Step 4: Simplify right side
   2,101,626.81x = 5,856,888,324,104.05
5. Step 5: Solve for x
   x = 5,856,888,324,104.05/2,101,626.81
6. Step 6: Final answer
   x = 2,786,835.56