Finding the Fourth Proportional to 9,719.56, 14,577.48 and 3,144.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,719.56 : 14,577.48 = 3,144.16 : x
2. Step 2: Convert to fraction form
   9,719.56/14,577.48 = 3,144.16/x
3. Step 3: Cross multiply
   9,719.56x = 14,577.48 × 3,144.16
4. Step 4: Simplify right side
   9,719.56x = 45,833,929.52
5. Step 5: Solve for x
   x = 45,833,929.52/9,719.56
6. Step 6: Final answer
   x = 4,715.64