Finding the Fourth Proportional to 2,120,949.06, 3,181,012.91 and 824,099.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120,949.06 : 3,181,012.91 = 824,099.16 : x
2. Step 2: Convert to fraction form
   2,120,949.06/3,181,012.91 = 824,099.16/x
3. Step 3: Cross multiply
   2,120,949.06x = 3,181,012.91 × 824,099.16
4. Step 4: Simplify right side
   2,120,949.06x = 2,621,470,067,080.16
5. Step 5: Solve for x
   x = 2,621,470,067,080.16/2,120,949.06
6. Step 6: Final answer
   x = 1,235,989.17