Finding the Fourth Proportional to 2,327,166.72, 3,489,640.56 and 810,663.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,327,166.72 : 3,489,640.56 = 810,663.12 : x
2. Step 2: Convert to fraction form
   2,327,166.72/3,489,640.56 = 810,663.12/x
3. Step 3: Cross multiply
   2,327,166.72x = 3,489,640.56 × 810,663.12
4. Step 4: Simplify right side
   2,327,166.72x = 2,828,922,904,048.15
5. Step 5: Solve for x
   x = 2,828,922,904,048.15/2,327,166.72
6. Step 6: Final answer
   x = 1,215,608.18