Finding the Fourth Proportional to 3,196,296.86, 4,401,922.71 and 2,991,147.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196,296.86 : 4,401,922.71 = 2,991,147.72 : x
2. Step 2: Convert to fraction form
   3,196,296.86/4,401,922.71 = 2,991,147.72/x
3. Step 3: Cross multiply
   3,196,296.86x = 4,401,922.71 × 2,991,147.72
4. Step 4: Simplify right side
   3,196,296.86x = 13,166,801,062,676.98
5. Step 5: Solve for x
   x = 13,166,801,062,676.98/3,196,296.86
6. Step 6: Final answer
   x = 4,119,392.42