Finding the Fourth Proportional to 16,869.32, 23,288.55 and 10,904.37

Step by Step Solution

1. Step 1: Write the proportion equation
   16,869.32 : 23,288.55 = 10,904.37 : x
2. Step 2: Convert to fraction form
   16,869.32/23,288.55 = 10,904.37/x
3. Step 3: Cross multiply
   16,869.32x = 23,288.55 × 10,904.37
4. Step 4: Simplify right side
   16,869.32x = 253,946,965.96
5. Step 5: Solve for x
   x = 253,946,965.96/16,869.32
6. Step 6: Final answer
   x = 15,053.78