Finding the Fourth Proportional to 2,728,383.29, 4,091,876.61 and 808,845.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728,383.29 : 4,091,876.61 = 808,845.63 : x
2. Step 2: Convert to fraction form
   2,728,383.29/4,091,876.61 = 808,845.63/x
3. Step 3: Cross multiply
   2,728,383.29x = 4,091,876.61 × 808,845.63
4. Step 4: Simplify right side
   2,728,383.29x = 3,309,696,489,994.10
5. Step 5: Solve for x
   x = 3,309,696,489,994.10/2,728,383.29
6. Step 6: Final answer
   x = 1,213,061.41