Finding the Fourth Proportional to 14,776.23, 20,404.61 and 10,998.01

Step by Step Solution

1. Step 1: Write the proportion equation
   14,776.23 : 20,404.61 = 10,998.01 : x
2. Step 2: Convert to fraction form
   14,776.23/20,404.61 = 10,998.01/x
3. Step 3: Cross multiply
   14,776.23x = 20,404.61 × 10,998.01
4. Step 4: Simplify right side
   14,776.23x = 224,410,104.83
5. Step 5: Solve for x
   x = 224,410,104.83/14,776.23
6. Step 6: Final answer
   x = 15,187.24