Finding the Fourth Proportional to 245,064.24, 338,196.24 and 137,636.58

Step by Step Solution

1. Step 1: Write the proportion equation
   245,064.24 : 338,196.24 = 137,636.58 : x
2. Step 2: Convert to fraction form
   245,064.24/338,196.24 = 137,636.58/x
3. Step 3: Cross multiply
   245,064.24x = 338,196.24 × 137,636.58
4. Step 4: Simplify right side
   245,064.24x = 46,548,173,842.46
5. Step 5: Solve for x
   x = 46,548,173,842.46/245,064.24
6. Step 6: Final answer
   x = 189,942.74