Finding the Fourth Proportional to 2,072,291.52, 3,108,612.20 and 576,383.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072,291.52 : 3,108,612.20 = 576,383.52 : x
2. Step 2: Convert to fraction form
   2,072,291.52/3,108,612.20 = 576,383.52/x
3. Step 3: Cross multiply
   2,072,291.52x = 3,108,612.20 × 576,383.52
4. Step 4: Simplify right side
   2,072,291.52x = 1,791,752,842,150.94
5. Step 5: Solve for x
   x = 1,791,752,842,150.94/2,072,291.52
6. Step 6: Final answer
   x = 864,623.93