Finding the Fourth Proportional to 108,826.12, 150,186.72 and 61,082.56

Step by Step Solution

1. Step 1: Write the proportion equation
   108,826.12 : 150,186.72 = 61,082.56 : x
2. Step 2: Convert to fraction form
   108,826.12/150,186.72 = 61,082.56/x
3. Step 3: Cross multiply
   108,826.12x = 150,186.72 × 61,082.56
4. Step 4: Simplify right side
   108,826.12x = 9,173,789,335.60
5. Step 5: Solve for x
   x = 9,173,789,335.60/108,826.12
6. Step 6: Final answer
   x = 84,297.68