Finding the Fourth Proportional to 15,633.69, 21,574.89 and 8,560.10

Step by Step Solution

1. Step 1: Write the proportion equation
   15,633.69 : 21,574.89 = 8,560.10 : x
2. Step 2: Convert to fraction form
   15,633.69/21,574.89 = 8,560.10/x
3. Step 3: Cross multiply
   15,633.69x = 21,574.89 × 8,560.10
4. Step 4: Simplify right side
   15,633.69x = 184,683,108.01
5. Step 5: Solve for x
   x = 184,683,108.01/15,633.69
6. Step 6: Final answer
   x = 11,813.15