Finding the Fourth Proportional to 23,200, 32,016 and 13,269.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,200 : 32,016 = 13,269.76 : x
2. Step 2: Convert to fraction form
   23,200/32,016 = 13,269.76/x
3. Step 3: Cross multiply
   23,200x = 32,016 × 13,269.76
4. Step 4: Simplify right side
   23,200x = 424,844,636.16
5. Step 5: Solve for x
   x = 424,844,636.16/23,200
6. Step 6: Final answer
   x = 18,312.27