Finding the Fourth Proportional to 22,771.58, 31,419.42 and 13,818.87

Step by Step Solution

1. Step 1: Write the proportion equation
   22,771.58 : 31,419.42 = 13,818.87 : x
2. Step 2: Convert to fraction form
   22,771.58/31,419.42 = 13,818.87/x
3. Step 3: Cross multiply
   22,771.58x = 31,419.42 × 13,818.87
4. Step 4: Simplify right side
   22,771.58x = 434,180,880.46
5. Step 5: Solve for x
   x = 434,180,880.46/22,771.58
6. Step 6: Final answer
   x = 19,066.79