Finding the Fourth Proportional to 16,308.50, 24,461.90 and 4,621.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,308.50 : 24,461.90 = 4,621.76 : x
2. Step 2: Convert to fraction form
   16,308.50/24,461.90 = 4,621.76/x
3. Step 3: Cross multiply
   16,308.50x = 24,461.90 × 4,621.76
4. Step 4: Simplify right side
   16,308.50x = 113,057,030.94
5. Step 5: Solve for x
   x = 113,057,030.94/16,308.50
6. Step 6: Final answer
   x = 6,932.40