Finding the Fourth Proportional to 16,535.61, 22,818.50 and 9,461.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,535.61 : 22,818.50 = 9,461.88 : x
2. Step 2: Convert to fraction form
   16,535.61/22,818.50 = 9,461.88/x
3. Step 3: Cross multiply
   16,535.61x = 22,818.50 × 9,461.88
4. Step 4: Simplify right side
   16,535.61x = 215,905,861.47
5. Step 5: Solve for x
   x = 215,905,861.47/16,535.61
6. Step 6: Final answer
   x = 13,057.02