Finding the Fourth Proportional to 3,942,240.88, 5,440,300.32 and 2,131,404.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942,240.88 : 5,440,300.32 = 2,131,404.88 : x
2. Step 2: Convert to fraction form
   3,942,240.88/5,440,300.32 = 2,131,404.88/x
3. Step 3: Cross multiply
   3,942,240.88x = 5,440,300.32 × 2,131,404.88
4. Step 4: Simplify right side
   3,942,240.88x = 11,595,482,650,713.56
5. Step 5: Solve for x
   x = 11,595,482,650,713.56/3,942,240.88
6. Step 6: Final answer
   x = 2,941,343.01