Finding the Fourth Proportional to 15,573.46, 21,491.22 and 8,499.82

Step by Step Solution

1. Step 1: Write the proportion equation
   15,573.46 : 21,491.22 = 8,499.82 : x
2. Step 2: Convert to fraction form
   15,573.46/21,491.22 = 8,499.82/x
3. Step 3: Cross multiply
   15,573.46x = 21,491.22 × 8,499.82
4. Step 4: Simplify right side
   15,573.46x = 182,671,501.58
5. Step 5: Solve for x
   x = 182,671,501.58/15,573.46
6. Step 6: Final answer
   x = 11,729.67