Finding the Fourth Proportional to 10,828.50, 16,249.23 and 4,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,828.50 : 16,249.23 = 4,672.50 : x
2. Step 2: Convert to fraction form
   10,828.50/16,249.23 = 4,672.50/x
3. Step 3: Cross multiply
   10,828.50x = 16,249.23 × 4,672.50
4. Step 4: Simplify right side
   10,828.50x = 75,924,527.18
5. Step 5: Solve for x
   x = 75,924,527.18/10,828.50
6. Step 6: Final answer
   x = 7,011.55