Finding the Fourth Proportional to 22,020.95, 30,384.25 and 13,071.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,020.95 : 30,384.25 = 13,071.38 : x
2. Step 2: Convert to fraction form
   22,020.95/30,384.25 = 13,071.38/x
3. Step 3: Cross multiply
   22,020.95x = 30,384.25 × 13,071.38
4. Step 4: Simplify right side
   22,020.95x = 397,163,893.17
5. Step 5: Solve for x
   x = 397,163,893.17/22,020.95
6. Step 6: Final answer
   x = 18,035.73