Finding the Fourth Proportional to 20,019.02, 30,010.42 and 9,482.47

Step by Step Solution

1. Step 1: Write the proportion equation
   20,019.02 : 30,010.42 = 9,482.47 : x
2. Step 2: Convert to fraction form
   20,019.02/30,010.42 = 9,482.47/x
3. Step 3: Cross multiply
   20,019.02x = 30,010.42 × 9,482.47
4. Step 4: Simplify right side
   20,019.02x = 284,572,870.83
5. Step 5: Solve for x
   x = 284,572,870.83/20,019.02
6. Step 6: Final answer
   x = 14,215.12