Finding the Fourth Proportional to 353,196.70, 487,404.55 and 192,050.34

Step by Step Solution

1. Step 1: Write the proportion equation
   353,196.70 : 487,404.55 = 192,050.34 : x
2. Step 2: Convert to fraction form
   353,196.70/487,404.55 = 192,050.34/x
3. Step 3: Cross multiply
   353,196.70x = 487,404.55 × 192,050.34
4. Step 4: Simplify right side
   353,196.70x = 93,606,209,545.05
5. Step 5: Solve for x
   x = 93,606,209,545.05/353,196.70
6. Step 6: Final answer
   x = 265,025.72