Finding the Fourth Proportional to 3,979,607.43, 5,491,805.72 and 2,213,493.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,979,607.43 : 5,491,805.72 = 2,213,493.83 : x
2. Step 2: Convert to fraction form
   3,979,607.43/5,491,805.72 = 2,213,493.83/x
3. Step 3: Cross multiply
   3,979,607.43x = 5,491,805.72 × 2,213,493.83
4. Step 4: Simplify right side
   3,979,607.43x = 12,156,078,102,188.79
5. Step 5: Solve for x
   x = 12,156,078,102,188.79/3,979,607.43
6. Step 6: Final answer
   x = 3,054,592.27