Finding the Fourth Proportional to 15,567.34, 21,483.17 and 8,493.76

Step by Step Solution

1. Step 1: Write the proportion equation
   15,567.34 : 21,483.17 = 8,493.76 : x
2. Step 2: Convert to fraction form
   15,567.34/21,483.17 = 8,493.76/x
3. Step 3: Cross multiply
   15,567.34x = 21,483.17 × 8,493.76
4. Step 4: Simplify right side
   15,567.34x = 182,472,882.37
5. Step 5: Solve for x
   x = 182,472,882.37/15,567.34
6. Step 6: Final answer
   x = 11,721.52