Finding the Fourth Proportional to 15,298.62, 21,109.59 and 9,010.14

Step by Step Solution

1. Step 1: Write the proportion equation
   15,298.62 : 21,109.59 = 9,010.14 : x
2. Step 2: Convert to fraction form
   15,298.62/21,109.59 = 9,010.14/x
3. Step 3: Cross multiply
   15,298.62x = 21,109.59 × 9,010.14
4. Step 4: Simplify right side
   15,298.62x = 190,200,361.24
5. Step 5: Solve for x
   x = 190,200,361.24/15,298.62
6. Step 6: Final answer
   x = 12,432.52