Finding the Fourth Proportional to 80,662.24, 120,884.38 and 30,715.09

Step by Step Solution

1. Step 1: Write the proportion equation
   80,662.24 : 120,884.38 = 30,715.09 : x
2. Step 2: Convert to fraction form
   80,662.24/120,884.38 = 30,715.09/x
3. Step 3: Cross multiply
   80,662.24x = 120,884.38 × 30,715.09
4. Step 4: Simplify right side
   80,662.24x = 3,712,974,611.29
5. Step 5: Solve for x
   x = 3,712,974,611.29/80,662.24
6. Step 6: Final answer
   x = 46,031.14