Finding the Fourth Proportional to 6,861,952.78, 9,469,464.50 and 3,921,720.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,861,952.78 : 9,469,464.50 = 3,921,720.82 : x
2. Step 2: Convert to fraction form
   6,861,952.78/9,469,464.50 = 3,921,720.82/x
3. Step 3: Cross multiply
   6,861,952.78x = 9,469,464.50 × 3,921,720.82
4. Step 4: Simplify right side
   6,861,952.78x = 37,136,596,083,900.89
5. Step 5: Solve for x
   x = 37,136,596,083,900.89/6,861,952.78
6. Step 6: Final answer
   x = 5,411,957.39