Finding the Fourth Proportional to 22,293.14, 30,764.27 and 12,861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,293.14 : 30,764.27 = 12,861.50 : x
2. Step 2: Convert to fraction form
   22,293.14/30,764.27 = 12,861.50/x
3. Step 3: Cross multiply
   22,293.14x = 30,764.27 × 12,861.50
4. Step 4: Simplify right side
   22,293.14x = 395,674,536.94
5. Step 5: Solve for x
   x = 395,674,536.94/22,293.14
6. Step 6: Final answer
   x = 17,748.72