Finding the Fourth Proportional to 7,316.40, 10,096.90 and 4,172.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,316.40 : 10,096.90 = 4,172.42 : x
2. Step 2: Convert to fraction form
   7,316.40/10,096.90 = 4,172.42/x
3. Step 3: Cross multiply
   7,316.40x = 10,096.90 × 4,172.42
4. Step 4: Simplify right side
   7,316.40x = 42,128,507.50
5. Step 5: Solve for x
   x = 42,128,507.50/7,316.40
6. Step 6: Final answer
   x = 5,758.09