Finding the Fourth Proportional to 15,627.69, 21,566.03 and 8,554.05

Step by Step Solution

1. Step 1: Write the proportion equation
   15,627.69 : 21,566.03 = 8,554.05 : x
2. Step 2: Convert to fraction form
   15,627.69/21,566.03 = 8,554.05/x
3. Step 3: Cross multiply
   15,627.69x = 21,566.03 × 8,554.05
4. Step 4: Simplify right side
   15,627.69x = 184,476,856.15
5. Step 5: Solve for x
   x = 184,476,856.15/15,627.69
6. Step 6: Final answer
   x = 11,804.49