Finding the Fourth Proportional to 9,719.41, 14,581.42 and 3,145.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,719.41 : 14,581.42 = 3,145.59 : x
2. Step 2: Convert to fraction form
   9,719.41/14,581.42 = 3,145.59/x
3. Step 3: Cross multiply
   9,719.41x = 14,581.42 × 3,145.59
4. Step 4: Simplify right side
   9,719.41x = 45,867,214.30
5. Step 5: Solve for x
   x = 45,867,214.30/9,719.41
6. Step 6: Final answer
   x = 4,719.14