Finding the Fourth Proportional to 22,086.50, 30,471.86 and 12,525.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,086.50 : 30,471.86 = 12,525.32 : x
2. Step 2: Convert to fraction form
   22,086.50/30,471.86 = 12,525.32/x
3. Step 3: Cross multiply
   22,086.50x = 30,471.86 × 12,525.32
4. Step 4: Simplify right side
   22,086.50x = 381,669,904.99
5. Step 5: Solve for x
   x = 381,669,904.99/22,086.50
6. Step 6: Final answer
   x = 17,280.69