Finding the Fourth Proportional to 42,732.56, 64,058.52 and 15,015.44

Step by Step Solution

1. Step 1: Write the proportion equation
   42,732.56 : 64,058.52 = 15,015.44 : x
2. Step 2: Convert to fraction form
   42,732.56/64,058.52 = 15,015.44/x
3. Step 3: Cross multiply
   42,732.56x = 64,058.52 × 15,015.44
4. Step 4: Simplify right side
   42,732.56x = 961,866,863.55
5. Step 5: Solve for x
   x = 961,866,863.55/42,732.56
6. Step 6: Final answer
   x = 22,508.99