Finding the Fourth Proportional to 42,123.54, 58,142.07 and 26,198.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,123.54 : 58,142.07 = 26,198.49 : x
2. Step 2: Convert to fraction form
   42,123.54/58,142.07 = 26,198.49/x
3. Step 3: Cross multiply
   42,123.54x = 58,142.07 × 26,198.49
4. Step 4: Simplify right side
   42,123.54x = 1,523,234,439.47
5. Step 5: Solve for x
   x = 1,523,234,439.47/42,123.54
6. Step 6: Final answer
   x = 36,161.12