Finding the Fourth Proportional to 3,179,485.98, 4,387,648.23 and 1,729,150.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,179,485.98 : 4,387,648.23 = 1,729,150.20 : x
2. Step 2: Convert to fraction form
   3,179,485.98/4,387,648.23 = 1,729,150.20/x
3. Step 3: Cross multiply
   3,179,485.98x = 4,387,648.23 × 1,729,150.20
4. Step 4: Simplify right side
   3,179,485.98x = 7,586,902,814,434.15
5. Step 5: Solve for x
   x = 7,586,902,814,434.15/3,179,485.98
6. Step 6: Final answer
   x = 2,386,204.20