Finding the Fourth Proportional to 17,128,664.99, 25,682,737.31 and 5,451,993.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,128,664.99 : 25,682,737.31 = 5,451,993.15 : x
2. Step 2: Convert to fraction form
   17,128,664.99/25,682,737.31 = 5,451,993.15/x
3. Step 3: Cross multiply
   17,128,664.99x = 25,682,737.31 × 5,451,993.15
4. Step 4: Simplify right side
   17,128,664.99x = 140,022,107,887,369.42
5. Step 5: Solve for x
   x = 140,022,107,887,369.42/17,128,664.99
6. Step 6: Final answer
   x = 8,174,723.95