Finding the Fourth Proportional to 42,168.78, 58,192.56 and 23,305.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,168.78 : 58,192.56 = 23,305.50 : x
2. Step 2: Convert to fraction form
   42,168.78/58,192.56 = 23,305.50/x
3. Step 3: Cross multiply
   42,168.78x = 58,192.56 × 23,305.50
4. Step 4: Simplify right side
   42,168.78x = 1,356,206,707.08
5. Step 5: Solve for x
   x = 1,356,206,707.08/42,168.78
6. Step 6: Final answer
   x = 32,161.39