Finding the Fourth Proportional to 359,398.59, 538,940.59 and 134,601.42

Step by Step Solution

1. Step 1: Write the proportion equation
   359,398.59 : 538,940.59 = 134,601.42 : x
2. Step 2: Convert to fraction form
   359,398.59/538,940.59 = 134,601.42/x
3. Step 3: Cross multiply
   359,398.59x = 538,940.59 × 134,601.42
4. Step 4: Simplify right side
   359,398.59x = 72,542,168,878.39
5. Step 5: Solve for x
   x = 72,542,168,878.39/359,398.59
6. Step 6: Final answer
   x = 201,843.22