Finding the Fourth Proportional to 15,569.58, 21,486.09 and 8,496.15

Step by Step Solution

1. Step 1: Write the proportion equation
   15,569.58 : 21,486.09 = 8,496.15 : x
2. Step 2: Convert to fraction form
   15,569.58/21,486.09 = 8,496.15/x
3. Step 3: Cross multiply
   15,569.58x = 21,486.09 × 8,496.15
4. Step 4: Simplify right side
   15,569.58x = 182,549,043.55
5. Step 5: Solve for x
   x = 182,549,043.55/15,569.58
6. Step 6: Final answer
   x = 11,724.72