Finding the Fourth Proportional to 2,154,196.83, 3,231,377.24 and 806,217.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,196.83 : 3,231,377.24 = 806,217.51 : x
2. Step 2: Convert to fraction form
   2,154,196.83/3,231,377.24 = 806,217.51/x
3. Step 3: Cross multiply
   2,154,196.83x = 3,231,377.24 × 806,217.51
4. Step 4: Simplify right side
   2,154,196.83x = 2,605,192,908,272.38
5. Step 5: Solve for x
   x = 2,605,192,908,272.38/2,154,196.83
6. Step 6: Final answer
   x = 1,209,356.95