Finding the Fourth Proportional to 30,856.99, 42,550.81 and 26,395.51

Step by Step Solution

1. Step 1: Write the proportion equation
   30,856.99 : 42,550.81 = 26,395.51 : x
2. Step 2: Convert to fraction form
   30,856.99/42,550.81 = 26,395.51/x
3. Step 3: Cross multiply
   30,856.99x = 42,550.81 × 26,395.51
4. Step 4: Simplify right side
   30,856.99x = 1,123,150,330.86
5. Step 5: Solve for x
   x = 1,123,150,330.86/30,856.99
6. Step 6: Final answer
   x = 36,398.57