Finding the Fourth Proportional to 42,142.54, 58,168.29 and 26,217.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,142.54 : 58,168.29 = 26,217.49 : x
2. Step 2: Convert to fraction form
   42,142.54/58,168.29 = 26,217.49/x
3. Step 3: Cross multiply
   42,142.54x = 58,168.29 × 26,217.49
4. Step 4: Simplify right side
   42,142.54x = 1,525,026,561.39
5. Step 5: Solve for x
   x = 1,525,026,561.39/42,142.54
6. Step 6: Final answer
   x = 36,187.34