Finding the Fourth Proportional to 22,091.16, 30,485.46 and 12,019.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,091.16 : 30,485.46 = 12,019.37 : x
2. Step 2: Convert to fraction form
   22,091.16/30,485.46 = 12,019.37/x
3. Step 3: Cross multiply
   22,091.16x = 30,485.46 × 12,019.37
4. Step 4: Simplify right side
   22,091.16x = 366,415,870.93
5. Step 5: Solve for x
   x = 366,415,870.93/22,091.16
6. Step 6: Final answer
   x = 16,586.54