Finding the Fourth Proportional to 16,124.39, 22,253.00 and 9,410.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,124.39 : 22,253.00 = 9,410.45 : x
2. Step 2: Convert to fraction form
   16,124.39/22,253.00 = 9,410.45/x
3. Step 3: Cross multiply
   16,124.39x = 22,253.00 × 9,410.45
4. Step 4: Simplify right side
   16,124.39x = 209,410,585.53
5. Step 5: Solve for x
   x = 209,410,585.53/16,124.39
6. Step 6: Final answer
   x = 12,987.20