Finding the Fourth Proportional to 10,662.42, 15,995.46 and 3,642.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,662.42 : 15,995.46 = 3,642.05 : x
2. Step 2: Convert to fraction form
   10,662.42/15,995.46 = 3,642.05/x
3. Step 3: Cross multiply
   10,662.42x = 15,995.46 × 3,642.05
4. Step 4: Simplify right side
   10,662.42x = 58,256,265.09
5. Step 5: Solve for x
   x = 58,256,265.09/10,662.42
6. Step 6: Final answer
   x = 5,463.70