Finding the Fourth Proportional to 42,736.91, 59,042.40 and 34,142

Step by Step Solution

1. Step 1: Write the proportion equation
   42,736.91 : 59,042.40 = 34,142 : x
2. Step 2: Convert to fraction form
   42,736.91/59,042.40 = 34,142/x
3. Step 3: Cross multiply
   42,736.91x = 59,042.40 × 34,142
4. Step 4: Simplify right side
   42,736.91x = 2,015,825,620.80
5. Step 5: Solve for x
   x = 2,015,825,620.80/42,736.91
6. Step 6: Final answer
   x = 47,168.26