Finding the Fourth Proportional to 359,399.59, 538,942.09 and 134,602.42

Step by Step Solution

1. Step 1: Write the proportion equation
   359,399.59 : 538,942.09 = 134,602.42 : x
2. Step 2: Convert to fraction form
   359,399.59/538,942.09 = 134,602.42/x
3. Step 3: Cross multiply
   359,399.59x = 538,942.09 × 134,602.42
4. Step 4: Simplify right side
   359,399.59x = 72,542,909,553.86
5. Step 5: Solve for x
   x = 72,542,909,553.86/359,399.59
6. Step 6: Final answer
   x = 201,844.72