Finding the Fourth Proportional to 40,399.65, 60,598.56 and 10,817.49

Step by Step Solution

1. Step 1: Write the proportion equation
   40,399.65 : 60,598.56 = 10,817.49 : x
2. Step 2: Convert to fraction form
   40,399.65/60,598.56 = 10,817.49/x
3. Step 3: Cross multiply
   40,399.65x = 60,598.56 × 10,817.49
4. Step 4: Simplify right side
   40,399.65x = 655,524,316.81
5. Step 5: Solve for x
   x = 655,524,316.81/40,399.65
6. Step 6: Final answer
   x = 16,225.99