Finding the Fourth Proportional to 20,167.50, 30,256.14 and 7,019.94

Step by Step Solution

1. Step 1: Write the proportion equation
   20,167.50 : 30,256.14 = 7,019.94 : x
2. Step 2: Convert to fraction form
   20,167.50/30,256.14 = 7,019.94/x
3. Step 3: Cross multiply
   20,167.50x = 30,256.14 × 7,019.94
4. Step 4: Simplify right side
   20,167.50x = 212,396,287.43
5. Step 5: Solve for x
   x = 212,396,287.43/20,167.50
6. Step 6: Final answer
   x = 10,531.61