Finding the Fourth Proportional to 24,898, 34,359.96 and 13,720.72

Step by Step Solution

1. Step 1: Write the proportion equation
   24,898 : 34,359.96 = 13,720.72 : x
2. Step 2: Convert to fraction form
   24,898/34,359.96 = 13,720.72/x
3. Step 3: Cross multiply
   24,898x = 34,359.96 × 13,720.72
4. Step 4: Simplify right side
   24,898x = 471,443,390.37
5. Step 5: Solve for x
   x = 471,443,390.37/24,898
6. Step 6: Final answer
   x = 18,934.99