Finding the Fourth Proportional to 22,090.59, 30,484.69 and 12,019.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,090.59 : 30,484.69 = 12,019.12 : x
2. Step 2: Convert to fraction form
   22,090.59/30,484.69 = 12,019.12/x
3. Step 3: Cross multiply
   22,090.59x = 30,484.69 × 12,019.12
4. Step 4: Simplify right side
   22,090.59x = 366,399,147.27
5. Step 5: Solve for x
   x = 366,399,147.27/22,090.59
6. Step 6: Final answer
   x = 16,586.21