Finding the Fourth Proportional to 42,125.28, 57,958.56 and 31,994.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,125.28 : 57,958.56 = 31,994.88 : x
2. Step 2: Convert to fraction form
   42,125.28/57,958.56 = 31,994.88/x
3. Step 3: Cross multiply
   42,125.28x = 57,958.56 × 31,994.88
4. Step 4: Simplify right side
   42,125.28x = 1,854,377,172.17
5. Step 5: Solve for x
   x = 1,854,377,172.17/42,125.28
6. Step 6: Final answer
   x = 44,020.53