Finding the Fourth Proportional to 39,982.50, 55,180.72 and 23,215.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,982.50 : 55,180.72 = 23,215.50 : x
2. Step 2: Convert to fraction form
   39,982.50/55,180.72 = 23,215.50/x
3. Step 3: Cross multiply
   39,982.50x = 55,180.72 × 23,215.50
4. Step 4: Simplify right side
   39,982.50x = 1,281,048,005.16
5. Step 5: Solve for x
   x = 1,281,048,005.16/39,982.50
6. Step 6: Final answer
   x = 32,040.22