Finding the Fourth Proportional to 22,072.71, 30,458.16 and 12,510.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,072.71 : 30,458.16 = 12,510.72 : x
2. Step 2: Convert to fraction form
   22,072.71/30,458.16 = 12,510.72/x
3. Step 3: Cross multiply
   22,072.71x = 30,458.16 × 12,510.72
4. Step 4: Simplify right side
   22,072.71x = 381,053,511.48
5. Step 5: Solve for x
   x = 381,053,511.48/22,072.71
6. Step 6: Final answer
   x = 17,263.56