Finding the Fourth Proportional to 9,719.96, 14,568.72 and 4,165.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,719.96 : 14,568.72 = 4,165.04 : x
2. Step 2: Convert to fraction form
   9,719.96/14,568.72 = 4,165.04/x
3. Step 3: Cross multiply
   9,719.96x = 14,568.72 × 4,165.04
4. Step 4: Simplify right side
   9,719.96x = 60,679,301.55
5. Step 5: Solve for x
   x = 60,679,301.55/9,719.96
6. Step 6: Final answer
   x = 6,242.75