Finding the Fourth Proportional to 22,086.93, 30,480.27 and 12,655.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,086.93 : 30,480.27 = 12,655.50 : x
2. Step 2: Convert to fraction form
   22,086.93/30,480.27 = 12,655.50/x
3. Step 3: Cross multiply
   22,086.93x = 30,480.27 × 12,655.50
4. Step 4: Simplify right side
   22,086.93x = 385,743,056.99
5. Step 5: Solve for x
   x = 385,743,056.99/22,086.93
6. Step 6: Final answer
   x = 17,464.77