Finding the Fourth Proportional to 15,627, 21,565.98 and 8,553.72

Step by Step Solution

1. Step 1: Write the proportion equation
   15,627 : 21,565.98 = 8,553.72 : x
2. Step 2: Convert to fraction form
   15,627/21,565.98 = 8,553.72/x
3. Step 3: Cross multiply
   15,627x = 21,565.98 × 8,553.72
4. Step 4: Simplify right side
   15,627x = 184,469,354.45
5. Step 5: Solve for x
   x = 184,469,354.45/15,627
6. Step 6: Final answer
   x = 11,804.53