Finding the Fourth Proportional to 3,992,678.32, 5,992,123.17 and 2,786,766.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,992,678.32 : 5,992,123.17 = 2,786,766.52 : x
2. Step 2: Convert to fraction form
   3,992,678.32/5,992,123.17 = 2,786,766.52/x
3. Step 3: Cross multiply
   3,992,678.32x = 5,992,123.17 × 2,786,766.52
4. Step 4: Simplify right side
   3,992,678.32x = 16,698,648,233,872.27
5. Step 5: Solve for x
   x = 16,698,648,233,872.27/3,992,678.32
6. Step 6: Final answer
   x = 4,182,317.46