Finding the Fourth Proportional to 67,499.72, 101,270.12 and 31,988.24

Step by Step Solution

1. Step 1: Write the proportion equation
   67,499.72 : 101,270.12 = 31,988.24 : x
2. Step 2: Convert to fraction form
   67,499.72/101,270.12 = 31,988.24/x
3. Step 3: Cross multiply
   67,499.72x = 101,270.12 × 31,988.24
4. Step 4: Simplify right side
   67,499.72x = 3,239,452,903.39
5. Step 5: Solve for x
   x = 3,239,452,903.39/67,499.72
6. Step 6: Final answer
   x = 47,992.09