Finding the Fourth Proportional to 16,142.47, 22,281.01 and 10,476.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,142.47 : 22,281.01 = 10,476.89 : x
2. Step 2: Convert to fraction form
   16,142.47/22,281.01 = 10,476.89/x
3. Step 3: Cross multiply
   16,142.47x = 22,281.01 × 10,476.89
4. Step 4: Simplify right side
   16,142.47x = 233,435,690.86
5. Step 5: Solve for x
   x = 233,435,690.86/16,142.47
6. Step 6: Final answer
   x = 14,460.96