Finding the Fourth Proportional to 2,099,401.50, 3,149,601.98 and 679,457.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,401.50 : 3,149,601.98 = 679,457.58 : x
2. Step 2: Convert to fraction form
   2,099,401.50/3,149,601.98 = 679,457.58/x
3. Step 3: Cross multiply
   2,099,401.50x = 3,149,601.98 × 679,457.58
4. Step 4: Simplify right side
   2,099,401.50x = 2,140,020,939,294.01
5. Step 5: Solve for x
   x = 2,140,020,939,294.01/2,099,401.50
6. Step 6: Final answer
   x = 1,019,348.10