Finding the Fourth Proportional to 3,855,976.72, 5,320,031.88 and 2,224,165.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,855,976.72 : 5,320,031.88 = 2,224,165.30 : x
2. Step 2: Convert to fraction form
   3,855,976.72/5,320,031.88 = 2,224,165.30/x
3. Step 3: Cross multiply
   3,855,976.72x = 5,320,031.88 × 2,224,165.30
4. Step 4: Simplify right side
   3,855,976.72x = 11,832,630,302,389.76
5. Step 5: Solve for x
   x = 11,832,630,302,389.76/3,855,976.72
6. Step 6: Final answer
   x = 3,068,646.72