Finding the Fourth Proportional to 3,939,066.33, 5,435,900.79 and 2,196,737.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,939,066.33 : 5,435,900.79 = 2,196,737.61 : x
2. Step 2: Convert to fraction form
   3,939,066.33/5,435,900.79 = 2,196,737.61/x
3. Step 3: Cross multiply
   3,939,066.33x = 5,435,900.79 × 2,196,737.61
4. Step 4: Simplify right side
   3,939,066.33x = 11,941,247,680,999.32
5. Step 5: Solve for x
   x = 11,941,247,680,999.32/3,939,066.33
6. Step 6: Final answer
   x = 3,031,491.90