Finding the Fourth Proportional to 15,287.50, 21,096.84 and 9,003.52

Step by Step Solution

1. Step 1: Write the proportion equation
   15,287.50 : 21,096.84 = 9,003.52 : x
2. Step 2: Convert to fraction form
   15,287.50/21,096.84 = 9,003.52/x
3. Step 3: Cross multiply
   15,287.50x = 21,096.84 × 9,003.52
4. Step 4: Simplify right side
   15,287.50x = 189,945,820.88
5. Step 5: Solve for x
   x = 189,945,820.88/15,287.50
6. Step 6: Final answer
   x = 12,424.91