Finding the Fourth Proportional to 2,163,191.82, 3,242,499.54 and 814,771

Step by Step Solution

1. Step 1: Write the proportion equation
   2,163,191.82 : 3,242,499.54 = 814,771 : x
2. Step 2: Convert to fraction form
   2,163,191.82/3,242,499.54 = 814,771/x
3. Step 3: Cross multiply
   2,163,191.82x = 3,242,499.54 × 814,771
4. Step 4: Simplify right side
   2,163,191.82x = 2,641,894,592,705.34
5. Step 5: Solve for x
   x = 2,641,894,592,705.34/2,163,191.82
6. Step 6: Final answer
   x = 1,221,294.65