Finding the Fourth Proportional to 16,985.50, 23,442.24 and 9,533.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,985.50 : 23,442.24 = 9,533.50 : x
2. Step 2: Convert to fraction form
   16,985.50/23,442.24 = 9,533.50/x
3. Step 3: Cross multiply
   16,985.50x = 23,442.24 × 9,533.50
4. Step 4: Simplify right side
   16,985.50x = 223,486,595.04
5. Step 5: Solve for x
   x = 223,486,595.04/16,985.50
6. Step 6: Final answer
   x = 13,157.49