Finding the Fourth Proportional to 16,300.56, 22,504.32 and 11,820

Step by Step Solution

1. Step 1: Write the proportion equation
   16,300.56 : 22,504.32 = 11,820 : x
2. Step 2: Convert to fraction form
   16,300.56/22,504.32 = 11,820/x
3. Step 3: Cross multiply
   16,300.56x = 22,504.32 × 11,820
4. Step 4: Simplify right side
   16,300.56x = 266,001,062.40
5. Step 5: Solve for x
   x = 266,001,062.40/16,300.56
6. Step 6: Final answer
   x = 16,318.52