Finding the Fourth Proportional to 2,168,559.96, 3,252,419.34 and 820,827.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168,559.96 : 3,252,419.34 = 820,827.78 : x
2. Step 2: Convert to fraction form
   2,168,559.96/3,252,419.34 = 820,827.78/x
3. Step 3: Cross multiply
   2,168,559.96x = 3,252,419.34 × 820,827.78
4. Step 4: Simplify right side
   2,168,559.96x = 2,669,676,146,481.27
5. Step 5: Solve for x
   x = 2,669,676,146,481.27/2,168,559.96
6. Step 6: Final answer
   x = 1,231,082.47