Finding the Fourth Proportional to 2,910,490.79, 3,987,391.59 and 2,801,402.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910,490.79 : 3,987,391.59 = 2,801,402.42 : x
2. Step 2: Convert to fraction form
   2,910,490.79/3,987,391.59 = 2,801,402.42/x
3. Step 3: Cross multiply
   2,910,490.79x = 3,987,391.59 × 2,801,402.42
4. Step 4: Simplify right side
   2,910,490.79x = 11,170,288,429,776.69
5. Step 5: Solve for x
   x = 11,170,288,429,776.69/2,910,490.79
6. Step 6: Final answer
   x = 3,837,939.80