Finding the Fourth Proportional to 15,233.98, 21,029.72 and 8,946.76

Step by Step Solution

1. Step 1: Write the proportion equation
   15,233.98 : 21,029.72 = 8,946.76 : x
2. Step 2: Convert to fraction form
   15,233.98/21,029.72 = 8,946.76/x
3. Step 3: Cross multiply
   15,233.98x = 21,029.72 × 8,946.76
4. Step 4: Simplify right side
   15,233.98x = 188,147,857.71
5. Step 5: Solve for x
   x = 188,147,857.71/15,233.98
6. Step 6: Final answer
   x = 12,350.54