Finding the Fourth Proportional to 3,981,014.56, 5,971,526.16 and 989,198.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981,014.56 : 5,971,526.16 = 989,198.56 : x
2. Step 2: Convert to fraction form
   3,981,014.56/5,971,526.16 = 989,198.56/x
3. Step 3: Cross multiply
   3,981,014.56x = 5,971,526.16 × 989,198.56
4. Step 4: Simplify right side
   3,981,014.56x = 5,907,025,078,474.33
5. Step 5: Solve for x
   x = 5,907,025,078,474.33/3,981,014.56
6. Step 6: Final answer
   x = 1,483,798.91