Finding the Fourth Proportional to 3,982,100.24, 5,973,174.36 and 990,284.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982,100.24 : 5,973,174.36 = 990,284.56 : x
2. Step 2: Convert to fraction form
   3,982,100.24/5,973,174.36 = 990,284.56/x
3. Step 3: Cross multiply
   3,982,100.24x = 5,973,174.36 × 990,284.56
4. Step 4: Simplify right side
   3,982,100.24x = 5,915,142,342,895.88
5. Step 5: Solve for x
   x = 5,915,142,342,895.88/3,982,100.24
6. Step 6: Final answer
   x = 1,485,432.81