Finding the Fourth Proportional to 42,138.90, 58,138.56 and 24,227.46

Step by Step Solution

1. Step 1: Write the proportion equation
   42,138.90 : 58,138.56 = 24,227.46 : x
2. Step 2: Convert to fraction form
   42,138.90/58,138.56 = 24,227.46/x
3. Step 3: Cross multiply
   42,138.90x = 58,138.56 × 24,227.46
4. Step 4: Simplify right side
   42,138.90x = 1,408,549,636.86
5. Step 5: Solve for x
   x = 1,408,549,636.86/42,138.90
6. Step 6: Final answer
   x = 33,426.35