Finding the Fourth Proportional to 15,566.56, 21,481.98 and 8,493.10

Step by Step Solution

1. Step 1: Write the proportion equation
   15,566.56 : 21,481.98 = 8,493.10 : x
2. Step 2: Convert to fraction form
   15,566.56/21,481.98 = 8,493.10/x
3. Step 3: Cross multiply
   15,566.56x = 21,481.98 × 8,493.10
4. Step 4: Simplify right side
   15,566.56x = 182,448,604.34
5. Step 5: Solve for x
   x = 182,448,604.34/15,566.56
6. Step 6: Final answer
   x = 11,720.55