Finding the Fourth Proportional to 16,527.38, 24,785.79 and 5,431.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,527.38 : 24,785.79 = 5,431.49 : x
2. Step 2: Convert to fraction form
   16,527.38/24,785.79 = 5,431.49/x
3. Step 3: Cross multiply
   16,527.38x = 24,785.79 × 5,431.49
4. Step 4: Simplify right side
   16,527.38x = 134,623,646.60
5. Step 5: Solve for x
   x = 134,623,646.60/16,527.38
6. Step 6: Final answer
   x = 8,145.49