Finding the Fourth Proportional to 1,978,578.27, 2,968,082.49 and 630,423.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,578.27 : 2,968,082.49 = 630,423.99 : x
2. Step 2: Convert to fraction form
   1,978,578.27/2,968,082.49 = 630,423.99/x
3. Step 3: Cross multiply
   1,978,578.27x = 2,968,082.49 × 630,423.99
4. Step 4: Simplify right side
   1,978,578.27x = 1,871,150,405,994.94
5. Step 5: Solve for x
   x = 1,871,150,405,994.94/1,978,578.27
6. Step 6: Final answer
   x = 945,704.52