Finding the Fourth Proportional to 22,076.34, 30,464.42 and 12,516.87

Step by Step Solution

1. Step 1: Write the proportion equation
   22,076.34 : 30,464.42 = 12,516.87 : x
2. Step 2: Convert to fraction form
   22,076.34/30,464.42 = 12,516.87/x
3. Step 3: Cross multiply
   22,076.34x = 30,464.42 × 12,516.87
4. Step 4: Simplify right side
   22,076.34x = 381,318,969.86
5. Step 5: Solve for x
   x = 381,318,969.86/22,076.34
6. Step 6: Final answer
   x = 17,272.75