Finding the Fourth Proportional to 22,071.22, 30,453.91 and 12,380.99

Step by Step Solution

1. Step 1: Write the proportion equation
   22,071.22 : 30,453.91 = 12,380.99 : x
2. Step 2: Convert to fraction form
   22,071.22/30,453.91 = 12,380.99/x
3. Step 3: Cross multiply
   22,071.22x = 30,453.91 × 12,380.99
4. Step 4: Simplify right side
   22,071.22x = 377,049,371.95
5. Step 5: Solve for x
   x = 377,049,371.95/22,071.22
6. Step 6: Final answer
   x = 17,083.31