Finding the Fourth Proportional to 42,043.41, 63,049.37 and 13,958.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,043.41 : 63,049.37 = 13,958.28 : x
2. Step 2: Convert to fraction form
   42,043.41/63,049.37 = 13,958.28/x
3. Step 3: Cross multiply
   42,043.41x = 63,049.37 × 13,958.28
4. Step 4: Simplify right side
   42,043.41x = 880,060,690.49
5. Step 5: Solve for x
   x = 880,060,690.49/42,043.41
6. Step 6: Final answer
   x = 20,932.19