Finding the Fourth Proportional to 17,128,669.50, 25,682,744.05 and 5,451,997.66

Step by Step Solution

1. Step 1: Write the proportion equation
   17,128,669.50 : 25,682,744.05 = 5,451,997.66 : x
2. Step 2: Convert to fraction form
   17,128,669.50/25,682,744.05 = 5,451,997.66/x
3. Step 3: Cross multiply
   17,128,669.50x = 25,682,744.05 × 5,451,997.66
4. Step 4: Simplify right side
   17,128,669.50x = 140,022,260,462,978.94
5. Step 5: Solve for x
   x = 140,022,260,462,978.94/17,128,669.50
6. Step 6: Final answer
   x = 8,174,730.70