Finding the Fourth Proportional to 2,105,930.13, 3,159,288.86 and 843,856.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,930.13 : 3,159,288.86 = 843,856.17 : x
2. Step 2: Convert to fraction form
   2,105,930.13/3,159,288.86 = 843,856.17/x
3. Step 3: Cross multiply
   2,105,930.13x = 3,159,288.86 × 843,856.17
4. Step 4: Simplify right side
   2,105,930.13x = 2,665,985,393,103.99
5. Step 5: Solve for x
   x = 2,665,985,393,103.99/2,105,930.13
6. Step 6: Final answer
   x = 1,265,942.00