Finding the Fourth Proportional to 16,298.49, 22,489.06 and 10,012.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,298.49 : 22,489.06 = 10,012.89 : x
2. Step 2: Convert to fraction form
   16,298.49/22,489.06 = 10,012.89/x
3. Step 3: Cross multiply
   16,298.49x = 22,489.06 × 10,012.89
4. Step 4: Simplify right side
   16,298.49x = 225,180,483.98
5. Step 5: Solve for x
   x = 225,180,483.98/16,298.49
6. Step 6: Final answer
   x = 13,816.03