Finding the Fourth Proportional to 22,090.95, 30,485.50 and 12,019.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,090.95 : 30,485.50 = 12,019.38 : x
2. Step 2: Convert to fraction form
   22,090.95/30,485.50 = 12,019.38/x
3. Step 3: Cross multiply
   22,090.95x = 30,485.50 × 12,019.38
4. Step 4: Simplify right side
   22,090.95x = 366,416,778.94
5. Step 5: Solve for x
   x = 366,416,778.94/22,090.95
6. Step 6: Final answer
   x = 16,586.74