Finding the Fourth Proportional to 16,173, 22,320.90 and 10,587.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,173 : 22,320.90 = 10,587.24 : x
2. Step 2: Convert to fraction form
   16,173/22,320.90 = 10,587.24/x
3. Step 3: Cross multiply
   16,173x = 22,320.90 × 10,587.24
4. Step 4: Simplify right side
   16,173x = 236,316,725.32
5. Step 5: Solve for x
   x = 236,316,725.32/16,173
6. Step 6: Final answer
   x = 14,611.81