Finding the Fourth Proportional to 149,622.88, 206,483.89 and 82,559.20

Step by Step Solution

1. Step 1: Write the proportion equation
   149,622.88 : 206,483.89 = 82,559.20 : x
2. Step 2: Convert to fraction form
   149,622.88/206,483.89 = 82,559.20/x
3. Step 3: Cross multiply
   149,622.88x = 206,483.89 × 82,559.20
4. Step 4: Simplify right side
   149,622.88x = 17,047,143,738.87
5. Step 5: Solve for x
   x = 17,047,143,738.87/149,622.88
6. Step 6: Final answer
   x = 113,934.07