Finding the Fourth Proportional to 5,126,607.72, 7,074,721.71 and 2,921,408.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,126,607.72 : 7,074,721.71 = 2,921,408.10 : x
2. Step 2: Convert to fraction form
   5,126,607.72/7,074,721.71 = 2,921,408.10/x
3. Step 3: Cross multiply
   5,126,607.72x = 7,074,721.71 × 2,921,408.10
4. Step 4: Simplify right side
   5,126,607.72x = 20,668,149,308,839.85
5. Step 5: Solve for x
   x = 20,668,149,308,839.85/5,126,607.72
6. Step 6: Final answer
   x = 4,031,544.92