Finding the Fourth Proportional to 32,057.91, 48,067.59 and 13,315.32

Step by Step Solution

1. Step 1: Write the proportion equation
   32,057.91 : 48,067.59 = 13,315.32 : x
2. Step 2: Convert to fraction form
   32,057.91/48,067.59 = 13,315.32/x
3. Step 3: Cross multiply
   32,057.91x = 48,067.59 × 13,315.32
4. Step 4: Simplify right side
   32,057.91x = 640,035,342.48
5. Step 5: Solve for x
   x = 640,035,342.48/32,057.91
6. Step 6: Final answer
   x = 19,964.97