Finding the Fourth Proportional to 5,113,722.43, 7,058,144.69 and 2,939,526.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,113,722.43 : 7,058,144.69 = 2,939,526.78 : x
2. Step 2: Convert to fraction form
   5,113,722.43/7,058,144.69 = 2,939,526.78/x
3. Step 3: Cross multiply
   5,113,722.43x = 7,058,144.69 × 2,939,526.78
4. Step 4: Simplify right side
   5,113,722.43x = 20,747,605,333,369.80
5. Step 5: Solve for x
   x = 20,747,605,333,369.80/5,113,722.43
6. Step 6: Final answer
   x = 4,057,241.20