Finding the Fourth Proportional to 15,593.08, 21,515.98 and 8,878.84

Step by Step Solution

1. Step 1: Write the proportion equation
   15,593.08 : 21,515.98 = 8,878.84 : x
2. Step 2: Convert to fraction form
   15,593.08/21,515.98 = 8,878.84/x
3. Step 3: Cross multiply
   15,593.08x = 21,515.98 × 8,878.84
4. Step 4: Simplify right side
   15,593.08x = 191,036,945.04
5. Step 5: Solve for x
   x = 191,036,945.04/15,593.08
6. Step 6: Final answer
   x = 12,251.39