Finding the Fourth Proportional to 16,402.32, 22,662.72 and 13,069.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,402.32 : 22,662.72 = 13,069.98 : x
2. Step 2: Convert to fraction form
   16,402.32/22,662.72 = 13,069.98/x
3. Step 3: Cross multiply
   16,402.32x = 22,662.72 × 13,069.98
4. Step 4: Simplify right side
   16,402.32x = 296,201,297.15
5. Step 5: Solve for x
   x = 296,201,297.15/16,402.32
6. Step 6: Final answer
   x = 18,058.50