Finding the Fourth Proportional to 205,429.50, 283,329.58 and 124,855.50

Step by Step Solution

1. Step 1: Write the proportion equation
   205,429.50 : 283,329.58 = 124,855.50 : x
2. Step 2: Convert to fraction form
   205,429.50/283,329.58 = 124,855.50/x
3. Step 3: Cross multiply
   205,429.50x = 283,329.58 × 124,855.50
4. Step 4: Simplify right side
   205,429.50x = 35,375,254,646.90
5. Step 5: Solve for x
   x = 35,375,254,646.90/205,429.50
6. Step 6: Final answer
   x = 172,201.44