Finding the Fourth Proportional to 30,857.01, 42,550.82 and 26,395.53

Step by Step Solution

1. Step 1: Write the proportion equation
   30,857.01 : 42,550.82 = 26,395.53 : x
2. Step 2: Convert to fraction form
   30,857.01/42,550.82 = 26,395.53/x
3. Step 3: Cross multiply
   30,857.01x = 42,550.82 × 26,395.53
4. Step 4: Simplify right side
   30,857.01x = 1,123,151,101.10
5. Step 5: Solve for x
   x = 1,123,151,101.10/30,857.01
6. Step 6: Final answer
   x = 36,398.58