Finding the Fourth Proportional to 32,530.72, 48,786.40 and 13,810.48

Step by Step Solution

1. Step 1: Write the proportion equation
   32,530.72 : 48,786.40 = 13,810.48 : x
2. Step 2: Convert to fraction form
   32,530.72/48,786.40 = 13,810.48/x
3. Step 3: Cross multiply
   32,530.72x = 48,786.40 × 13,810.48
4. Step 4: Simplify right side
   32,530.72x = 673,763,601.47
5. Step 5: Solve for x
   x = 673,763,601.47/32,530.72
6. Step 6: Final answer
   x = 20,711.61