Finding the Fourth Proportional to 16,088.42, 22,199.27 and 10,128.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,088.42 : 22,199.27 = 10,128.04 : x
2. Step 2: Convert to fraction form
   16,088.42/22,199.27 = 10,128.04/x
3. Step 3: Cross multiply
   16,088.42x = 22,199.27 × 10,128.04
4. Step 4: Simplify right side
   16,088.42x = 224,834,988.39
5. Step 5: Solve for x
   x = 224,834,988.39/16,088.42
6. Step 6: Final answer
   x = 13,974.96