Finding the Fourth Proportional to 275,401.89, 380,057.67 and 152,902.62

Step by Step Solution

1. Step 1: Write the proportion equation
   275,401.89 : 380,057.67 = 152,902.62 : x
2. Step 2: Convert to fraction form
   275,401.89/380,057.67 = 152,902.62/x
3. Step 3: Cross multiply
   275,401.89x = 380,057.67 × 152,902.62
4. Step 4: Simplify right side
   275,401.89x = 58,111,813,494.10
5. Step 5: Solve for x
   x = 58,111,813,494.10/275,401.89
6. Step 6: Final answer
   x = 211,007.32