Finding the Fourth Proportional to 14,870.17, 20,519.41 and 8,901.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,870.17 : 20,519.41 = 8,901.72 : x
2. Step 2: Convert to fraction form
   14,870.17/20,519.41 = 8,901.72/x
3. Step 3: Cross multiply
   14,870.17x = 20,519.41 × 8,901.72
4. Step 4: Simplify right side
   14,870.17x = 182,658,042.39
5. Step 5: Solve for x
   x = 182,658,042.39/14,870.17
6. Step 6: Final answer
   x = 12,283.52