Finding the Fourth Proportional to 16,895.76, 23,322.69 and 15,124.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,895.76 : 23,322.69 = 15,124.29 : x
2. Step 2: Convert to fraction form
   16,895.76/23,322.69 = 15,124.29/x
3. Step 3: Cross multiply
   16,895.76x = 23,322.69 × 15,124.29
4. Step 4: Simplify right side
   16,895.76x = 352,739,127.14
5. Step 5: Solve for x
   x = 352,739,127.14/16,895.76
6. Step 6: Final answer
   x = 20,877.38