Finding the Fourth Proportional to 22,077.27, 30,458.90 and 12,515.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,077.27 : 30,458.90 = 12,515.76 : x
2. Step 2: Convert to fraction form
   22,077.27/30,458.90 = 12,515.76/x
3. Step 3: Cross multiply
   22,077.27x = 30,458.90 × 12,515.76
4. Step 4: Simplify right side
   22,077.27x = 381,216,313.55
5. Step 5: Solve for x
   x = 381,216,313.55/22,077.27
6. Step 6: Final answer
   x = 17,267.37