Finding the Fourth Proportional to 21,568.74, 32,355.58 and 9,086.46

Step by Step Solution

1. Step 1: Write the proportion equation
   21,568.74 : 32,355.58 = 9,086.46 : x
2. Step 2: Convert to fraction form
   21,568.74/32,355.58 = 9,086.46/x
3. Step 3: Cross multiply
   21,568.74x = 32,355.58 × 9,086.46
4. Step 4: Simplify right side
   21,568.74x = 293,997,683.45
5. Step 5: Solve for x
   x = 293,997,683.45/21,568.74
6. Step 6: Final answer
   x = 13,630.73