Finding the Fourth Proportional to 30,662.13, 45,975.88 and 10,662.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,662.13 : 45,975.88 = 10,662.42 : x
2. Step 2: Convert to fraction form
   30,662.13/45,975.88 = 10,662.42/x
3. Step 3: Cross multiply
   30,662.13x = 45,975.88 × 10,662.42
4. Step 4: Simplify right side
   30,662.13x = 490,214,142.43
5. Step 5: Solve for x
   x = 490,214,142.43/30,662.13
6. Step 6: Final answer
   x = 15,987.61