Finding the Fourth Proportional to 245,196.96, 338,372.09 and 137,766.93

Step by Step Solution

1. Step 1: Write the proportion equation
   245,196.96 : 338,372.09 = 137,766.93 : x
2. Step 2: Convert to fraction form
   245,196.96/338,372.09 = 137,766.93/x
3. Step 3: Cross multiply
   245,196.96x = 338,372.09 × 137,766.93
4. Step 4: Simplify right side
   245,196.96x = 46,616,484,036.98
5. Step 5: Solve for x
   x = 46,616,484,036.98/245,196.96
6. Step 6: Final answer
   x = 190,118.52