Finding the Fourth Proportional to 22,503.42, 31,056.66 and 13,071.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,503.42 : 31,056.66 = 13,071.42 : x
2. Step 2: Convert to fraction form
   22,503.42/31,056.66 = 13,071.42/x
3. Step 3: Cross multiply
   22,503.42x = 31,056.66 × 13,071.42
4. Step 4: Simplify right side
   22,503.42x = 405,954,646.66
5. Step 5: Solve for x
   x = 405,954,646.66/22,503.42
6. Step 6: Final answer
   x = 18,039.69