Finding the Fourth Proportional to 343,412.72, 473,910.72 and 192,500

Step by Step Solution

1. Step 1: Write the proportion equation
   343,412.72 : 473,910.72 = 192,500 : x
2. Step 2: Convert to fraction form
   343,412.72/473,910.72 = 192,500/x
3. Step 3: Cross multiply
   343,412.72x = 473,910.72 × 192,500
4. Step 4: Simplify right side
   343,412.72x = 91,227,813,600
5. Step 5: Solve for x
   x = 91,227,813,600/343,412.72
6. Step 6: Final answer
   x = 265,650.65