Finding the Fourth Proportional to 2,816,384.01, 4,225,101.88 and 1,279,487.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,816,384.01 : 4,225,101.88 = 1,279,487.31 : x
2. Step 2: Convert to fraction form
   2,816,384.01/4,225,101.88 = 1,279,487.31/x
3. Step 3: Cross multiply
   2,816,384.01x = 4,225,101.88 × 1,279,487.31
4. Step 4: Simplify right side
   2,816,384.01x = 5,405,964,238,917.14
5. Step 5: Solve for x
   x = 5,405,964,238,917.14/2,816,384.01
6. Step 6: Final answer
   x = 1,919,469.87