Finding the Fourth Proportional to 16,987.05, 23,441.34 and 9,433.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,987.05 : 23,441.34 = 9,433.86 : x
2. Step 2: Convert to fraction form
   16,987.05/23,441.34 = 9,433.86/x
3. Step 3: Cross multiply
   16,987.05x = 23,441.34 × 9,433.86
4. Step 4: Simplify right side
   16,987.05x = 221,142,319.77
5. Step 5: Solve for x
   x = 221,142,319.77/16,987.05
6. Step 6: Final answer
   x = 13,018.29