Finding the Fourth Proportional to 16,103.16, 22,176.32 and 15,759.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,103.16 : 22,176.32 = 15,759.72 : x
2. Step 2: Convert to fraction form
   16,103.16/22,176.32 = 15,759.72/x
3. Step 3: Cross multiply
   16,103.16x = 22,176.32 × 15,759.72
4. Step 4: Simplify right side
   16,103.16x = 349,492,515.03
5. Step 5: Solve for x
   x = 349,492,515.03/16,103.16
6. Step 6: Final answer
   x = 21,703.35