Finding the Fourth Proportional to 30,858, 42,552.18 and 26,396.52

Step by Step Solution

1. Step 1: Write the proportion equation
   30,858 : 42,552.18 = 26,396.52 : x
2. Step 2: Convert to fraction form
   30,858/42,552.18 = 26,396.52/x
3. Step 3: Cross multiply
   30,858x = 42,552.18 × 26,396.52
4. Step 4: Simplify right side
   30,858x = 1,123,229,470.41
5. Step 5: Solve for x
   x = 1,123,229,470.41/30,858
6. Step 6: Final answer
   x = 36,399.94