Finding the Fourth Proportional to 15,475.25, 21,355.27 and 8,401.52

Step by Step Solution

1. Step 1: Write the proportion equation
   15,475.25 : 21,355.27 = 8,401.52 : x
2. Step 2: Convert to fraction form
   15,475.25/21,355.27 = 8,401.52/x
3. Step 3: Cross multiply
   15,475.25x = 21,355.27 × 8,401.52
4. Step 4: Simplify right side
   15,475.25x = 179,416,760.39
5. Step 5: Solve for x
   x = 179,416,760.39/15,475.25
6. Step 6: Final answer
   x = 11,593.79