Finding the Fourth Proportional to 3,969,423.98, 5,948,619.87 and 2,072,381.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,969,423.98 : 5,948,619.87 = 2,072,381.30 : x
2. Step 2: Convert to fraction form
   3,969,423.98/5,948,619.87 = 2,072,381.30/x
3. Step 3: Cross multiply
   3,969,423.98x = 5,948,619.87 × 2,072,381.30
4. Step 4: Simplify right side
   3,969,423.98x = 12,327,808,579,396.43
5. Step 5: Solve for x
   x = 12,327,808,579,396.43/3,969,423.98
6. Step 6: Final answer
   x = 3,105,692.07