Finding the Fourth Proportional to 82,212.80, 123,245.04 and 29,585.12

Step by Step Solution

1. Step 1: Write the proportion equation
   82,212.80 : 123,245.04 = 29,585.12 : x
2. Step 2: Convert to fraction form
   82,212.80/123,245.04 = 29,585.12/x
3. Step 3: Cross multiply
   82,212.80x = 123,245.04 × 29,585.12
4. Step 4: Simplify right side
   82,212.80x = 3,646,219,297.80
5. Step 5: Solve for x
   x = 3,646,219,297.80/82,212.80
6. Step 6: Final answer
   x = 44,350.99