Finding the Fourth Proportional to 42,939.37, 64,307.23 and 34,026.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,939.37 : 64,307.23 = 34,026.04 : x
2. Step 2: Convert to fraction form
   42,939.37/64,307.23 = 34,026.04/x
3. Step 3: Cross multiply
   42,939.37x = 64,307.23 × 34,026.04
4. Step 4: Simplify right side
   42,939.37x = 2,188,120,058.73
5. Step 5: Solve for x
   x = 2,188,120,058.73/42,939.37
6. Step 6: Final answer
   x = 50,958.37