Finding the Fourth Proportional to 39,496.08, 59,238.72 and 13,200.24

Step by Step Solution

1. Step 1: Write the proportion equation
   39,496.08 : 59,238.72 = 13,200.24 : x
2. Step 2: Convert to fraction form
   39,496.08/59,238.72 = 13,200.24/x
3. Step 3: Cross multiply
   39,496.08x = 59,238.72 × 13,200.24
4. Step 4: Simplify right side
   39,496.08x = 781,965,321.29
5. Step 5: Solve for x
   x = 781,965,321.29/39,496.08
6. Step 6: Final answer
   x = 19,798.56