Finding the Fourth Proportional to 16,402.81, 22,646.75 and 10,124.41

Step by Step Solution

1. Step 1: Write the proportion equation
   16,402.81 : 22,646.75 = 10,124.41 : x
2. Step 2: Convert to fraction form
   16,402.81/22,646.75 = 10,124.41/x
3. Step 3: Cross multiply
   16,402.81x = 22,646.75 × 10,124.41
4. Step 4: Simplify right side
   16,402.81x = 229,284,931.55
5. Step 5: Solve for x
   x = 229,284,931.55/16,402.81
6. Step 6: Final answer
   x = 13,978.39