Finding the Fourth Proportional to 359,554.50, 539,191.57 and 134,792.42

Step by Step Solution

1. Step 1: Write the proportion equation
   359,554.50 : 539,191.57 = 134,792.42 : x
2. Step 2: Convert to fraction form
   359,554.50/539,191.57 = 134,792.42/x
3. Step 3: Cross multiply
   359,554.50x = 539,191.57 × 134,792.42
4. Step 4: Simplify right side
   359,554.50x = 72,678,934,878.94
5. Step 5: Solve for x
   x = 72,678,934,878.94/359,554.50
6. Step 6: Final answer
   x = 202,136.07