Finding the Fourth Proportional to 15,667.17, 21,622.06 and 8,594.96

Step by Step Solution

1. Step 1: Write the proportion equation
   15,667.17 : 21,622.06 = 8,594.96 : x
2. Step 2: Convert to fraction form
   15,667.17/21,622.06 = 8,594.96/x
3. Step 3: Cross multiply
   15,667.17x = 21,622.06 × 8,594.96
4. Step 4: Simplify right side
   15,667.17x = 185,840,789.25
5. Step 5: Solve for x
   x = 185,840,789.25/15,667.17
6. Step 6: Final answer
   x = 11,861.80