Finding the Fourth Proportional to 9,013.47, 13,519.72 and 3,169.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,013.47 : 13,519.72 = 3,169.86 : x
2. Step 2: Convert to fraction form
   9,013.47/13,519.72 = 3,169.86/x
3. Step 3: Cross multiply
   9,013.47x = 13,519.72 × 3,169.86
4. Step 4: Simplify right side
   9,013.47x = 42,855,619.64
5. Step 5: Solve for x
   x = 42,855,619.64/9,013.47
6. Step 6: Final answer
   x = 4,754.62