Finding the Fourth Proportional to 2,153,550.72, 3,230,388.69 and 805,456.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,550.72 : 3,230,388.69 = 805,456.08 : x
2. Step 2: Convert to fraction form
   2,153,550.72/3,230,388.69 = 805,456.08/x
3. Step 3: Cross multiply
   2,153,550.72x = 3,230,388.69 × 805,456.08
4. Step 4: Simplify right side
   2,153,550.72x = 2,601,936,211,123.74
5. Step 5: Solve for x
   x = 2,601,936,211,123.74/2,153,550.72
6. Step 6: Final answer
   x = 1,208,207.54