Finding the Fourth Proportional to 17,903.89, 24,722.31 and 14,935.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,903.89 : 24,722.31 = 14,935.30 : x
2. Step 2: Convert to fraction form
   17,903.89/24,722.31 = 14,935.30/x
3. Step 3: Cross multiply
   17,903.89x = 24,722.31 × 14,935.30
4. Step 4: Simplify right side
   17,903.89x = 369,235,116.54
5. Step 5: Solve for x
   x = 369,235,116.54/17,903.89
6. Step 6: Final answer
   x = 20,623.18