Finding the Fourth Proportional to 2,172,436.83, 3,258,941.18 and 806,024.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,436.83 : 3,258,941.18 = 806,024.43 : x
2. Step 2: Convert to fraction form
   2,172,436.83/3,258,941.18 = 806,024.43/x
3. Step 3: Cross multiply
   2,172,436.83x = 3,258,941.18 × 806,024.43
4. Step 4: Simplify right side
   2,172,436.83x = 2,626,786,202,982.91
5. Step 5: Solve for x
   x = 2,626,786,202,982.91/2,172,436.83
6. Step 6: Final answer
   x = 1,209,142.73