Finding the Fourth Proportional to 32,077.50, 48,135.69 and 13,609.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,077.50 : 48,135.69 = 13,609.50 : x
2. Step 2: Convert to fraction form
   32,077.50/48,135.69 = 13,609.50/x
3. Step 3: Cross multiply
   32,077.50x = 48,135.69 × 13,609.50
4. Step 4: Simplify right side
   32,077.50x = 655,102,673.06
5. Step 5: Solve for x
   x = 655,102,673.06/32,077.50
6. Step 6: Final answer
   x = 20,422.50