Finding the Fourth Proportional to 2,816,389.02, 4,225,109.38 and 1,279,492.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,816,389.02 : 4,225,109.38 = 1,279,492.32 : x
2. Step 2: Convert to fraction form
   2,816,389.02/4,225,109.38 = 1,279,492.32/x
3. Step 3: Cross multiply
   2,816,389.02x = 4,225,109.38 × 1,279,492.32
4. Step 4: Simplify right side
   2,816,389.02x = 5,405,995,002,869.96
5. Step 5: Solve for x
   x = 5,405,995,002,869.96/2,816,389.02
6. Step 6: Final answer
   x = 1,919,477.37