Finding the Fourth Proportional to 353,915.82, 488,404.53 and 192,770.37

Step by Step Solution

1. Step 1: Write the proportion equation
   353,915.82 : 488,404.53 = 192,770.37 : x
2. Step 2: Convert to fraction form
   353,915.82/488,404.53 = 192,770.37/x
3. Step 3: Cross multiply
   353,915.82x = 488,404.53 × 192,770.37
4. Step 4: Simplify right side
   353,915.82x = 94,149,921,957.78
5. Step 5: Solve for x
   x = 94,149,921,957.78/353,915.82
6. Step 6: Final answer
   x = 266,023.49