Finding the Fourth Proportional to 16,294.72, 22,488.96 and 9,581.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,294.72 : 22,488.96 = 9,581.98 : x
2. Step 2: Convert to fraction form
   16,294.72/22,488.96 = 9,581.98/x
3. Step 3: Cross multiply
   16,294.72x = 22,488.96 × 9,581.98
4. Step 4: Simplify right side
   16,294.72x = 215,488,764.94
5. Step 5: Solve for x
   x = 215,488,764.94/16,294.72
6. Step 6: Final answer
   x = 13,224.45