Finding the Fourth Proportional to 22,087.23, 30,479.83 and 12,655.19

Step by Step Solution

1. Step 1: Write the proportion equation
   22,087.23 : 30,479.83 = 12,655.19 : x
2. Step 2: Convert to fraction form
   22,087.23/30,479.83 = 12,655.19/x
3. Step 3: Cross multiply
   22,087.23x = 30,479.83 × 12,655.19
4. Step 4: Simplify right side
   22,087.23x = 385,728,039.82
5. Step 5: Solve for x
   x = 385,728,039.82/22,087.23
6. Step 6: Final answer
   x = 17,463.85