Finding the Fourth Proportional to 67,500.72, 101,271.62 and 31,989.24

Step by Step Solution

1. Step 1: Write the proportion equation
   67,500.72 : 101,271.62 = 31,989.24 : x
2. Step 2: Convert to fraction form
   67,500.72/101,271.62 = 31,989.24/x
3. Step 3: Cross multiply
   67,500.72x = 101,271.62 × 31,989.24
4. Step 4: Simplify right side
   67,500.72x = 3,239,602,157.37
5. Step 5: Solve for x
   x = 3,239,602,157.37/67,500.72
6. Step 6: Final answer
   x = 47,993.59