Finding the Fourth Proportional to 15,606.34, 21,532.41 and 9,316.42

Step by Step Solution

1. Step 1: Write the proportion equation
   15,606.34 : 21,532.41 = 9,316.42 : x
2. Step 2: Convert to fraction form
   15,606.34/21,532.41 = 9,316.42/x
3. Step 3: Cross multiply
   15,606.34x = 21,532.41 × 9,316.42
4. Step 4: Simplify right side
   15,606.34x = 200,604,975.17
5. Step 5: Solve for x
   x = 200,604,975.17/15,606.34
6. Step 6: Final answer
   x = 12,854.07