Finding the Fourth Proportional to 3,982,101.24, 5,973,175.86 and 990,285.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982,101.24 : 5,973,175.86 = 990,285.56 : x
2. Step 2: Convert to fraction form
   3,982,101.24/5,973,175.86 = 990,285.56/x
3. Step 3: Cross multiply
   3,982,101.24x = 5,973,175.86 × 990,285.56
4. Step 4: Simplify right side
   3,982,101.24x = 5,915,149,801,498.58
5. Step 5: Solve for x
   x = 5,915,149,801,498.58/3,982,101.24
6. Step 6: Final answer
   x = 1,485,434.31