Finding the Fourth Proportional to 15,624.10, 21,561.25 and 8,550.52

Step by Step Solution

1. Step 1: Write the proportion equation
   15,624.10 : 21,561.25 = 8,550.52 : x
2. Step 2: Convert to fraction form
   15,624.10/21,561.25 = 8,550.52/x
3. Step 3: Cross multiply
   15,624.10x = 21,561.25 × 8,550.52
4. Step 4: Simplify right side
   15,624.10x = 184,359,899.35
5. Step 5: Solve for x
   x = 184,359,899.35/15,624.10
6. Step 6: Final answer
   x = 11,799.71