Finding the Fourth Proportional to 16,499.63, 24,750.66 and 7,148.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499.63 : 24,750.66 = 7,148.72 : x
2. Step 2: Convert to fraction form
   16,499.63/24,750.66 = 7,148.72/x
3. Step 3: Cross multiply
   16,499.63x = 24,750.66 × 7,148.72
4. Step 4: Simplify right side
   16,499.63x = 176,935,538.16
5. Step 5: Solve for x
   x = 176,935,538.16/16,499.63
6. Step 6: Final answer
   x = 10,723.61