Finding the Fourth Proportional to 1,990,704.96, 2,986,059.78 and 494,796.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990,704.96 : 2,986,059.78 = 494,796.96 : x
2. Step 2: Convert to fraction form
   1,990,704.96/2,986,059.78 = 494,796.96/x
3. Step 3: Cross multiply
   1,990,704.96x = 2,986,059.78 × 494,796.96
4. Step 4: Simplify right side
   1,990,704.96x = 1,477,493,301,522.27
5. Step 5: Solve for x
   x = 1,477,493,301,522.27/1,990,704.96
6. Step 6: Final answer
   x = 742,196.02