Finding the Fourth Proportional to 42,521.28, 58,700.64 and 32,939.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,521.28 : 58,700.64 = 32,939.76 : x
2. Step 2: Convert to fraction form
   42,521.28/58,700.64 = 32,939.76/x
3. Step 3: Cross multiply
   42,521.28x = 58,700.64 × 32,939.76
4. Step 4: Simplify right side
   42,521.28x = 1,933,584,993.45
5. Step 5: Solve for x
   x = 1,933,584,993.45/42,521.28
6. Step 6: Final answer
   x = 45,473.35