Finding the Fourth Proportional to 22,314.96, 30,795.57 and 12,756.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,314.96 : 30,795.57 = 12,756.42 : x
2. Step 2: Convert to fraction form
   22,314.96/30,795.57 = 12,756.42/x
3. Step 3: Cross multiply
   22,314.96x = 30,795.57 × 12,756.42
4. Step 4: Simplify right side
   22,314.96x = 392,841,225.06
5. Step 5: Solve for x
   x = 392,841,225.06/22,314.96
6. Step 6: Final answer
   x = 17,604.39