Finding the Fourth Proportional to 6,128.15, 8,465.38 and 5,900.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,128.15 : 8,465.38 = 5,900.56 : x
2. Step 2: Convert to fraction form
   6,128.15/8,465.38 = 5,900.56/x
3. Step 3: Cross multiply
   6,128.15x = 8,465.38 × 5,900.56
4. Step 4: Simplify right side
   6,128.15x = 49,950,446.70
5. Step 5: Solve for x
   x = 49,950,446.70/6,128.15
6. Step 6: Final answer
   x = 8,150.99