Finding the Fourth Proportional to 1,195,646.72, 1,650,581.53 and 828,402.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,195,646.72 : 1,650,581.53 = 828,402.31 : x
2. Step 2: Convert to fraction form
   1,195,646.72/1,650,581.53 = 828,402.31/x
3. Step 3: Cross multiply
   1,195,646.72x = 1,650,581.53 × 828,402.31
4. Step 4: Simplify right side
   1,195,646.72x = 1,367,345,552,295.33
5. Step 5: Solve for x
   x = 1,367,345,552,295.33/1,195,646.72
6. Step 6: Final answer
   x = 1,143,603.31