Finding the Fourth Proportional to 21,500.28, 32,262.86 and 9,019.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,500.28 : 32,262.86 = 9,019.18 : x
2. Step 2: Convert to fraction form
   21,500.28/32,262.86 = 9,019.18/x
3. Step 3: Cross multiply
   21,500.28x = 32,262.86 × 9,019.18
4. Step 4: Simplify right side
   21,500.28x = 290,984,541.65
5. Step 5: Solve for x
   x = 290,984,541.65/21,500.28
6. Step 6: Final answer
   x = 13,533.99