Finding the Fourth Proportional to 242,665.50, 335,084.76 and 152,173.02

Step by Step Solution

1. Step 1: Write the proportion equation
   242,665.50 : 335,084.76 = 152,173.02 : x
2. Step 2: Convert to fraction form
   242,665.50/335,084.76 = 152,173.02/x
3. Step 3: Cross multiply
   242,665.50x = 335,084.76 × 152,173.02
4. Step 4: Simplify right side
   242,665.50x = 50,990,859,885.18
5. Step 5: Solve for x
   x = 50,990,859,885.18/242,665.50
6. Step 6: Final answer
   x = 210,128.18