Finding the Fourth Proportional to 22,086.98, 30,480.83 and 12,657.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,086.98 : 30,480.83 = 12,657.36 : x
2. Step 2: Convert to fraction form
   22,086.98/30,480.83 = 12,657.36/x
3. Step 3: Cross multiply
   22,086.98x = 30,480.83 × 12,657.36
4. Step 4: Simplify right side
   22,086.98x = 385,806,775.12
5. Step 5: Solve for x
   x = 385,806,775.12/22,086.98
6. Step 6: Final answer
   x = 17,467.61