Finding the Fourth Proportional to 42,178.62, 58,204.69 and 23,058.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,178.62 : 58,204.69 = 23,058.04 : x
2. Step 2: Convert to fraction form
   42,178.62/58,204.69 = 23,058.04/x
3. Step 3: Cross multiply
   42,178.62x = 58,204.69 × 23,058.04
4. Step 4: Simplify right side
   42,178.62x = 1,342,086,070.21
5. Step 5: Solve for x
   x = 1,342,086,070.21/42,178.62
6. Step 6: Final answer
   x = 31,819.11