Finding the Fourth Proportional to 275,185.18, 379,733.43 and 152,681.50

Step by Step Solution

1. Step 1: Write the proportion equation
   275,185.18 : 379,733.43 = 152,681.50 : x
2. Step 2: Convert to fraction form
   275,185.18/379,733.43 = 152,681.50/x
3. Step 3: Cross multiply
   275,185.18x = 379,733.43 × 152,681.50
4. Step 4: Simplify right side
   275,185.18x = 57,978,269,692.55
5. Step 5: Solve for x
   x = 57,978,269,692.55/275,185.18
6. Step 6: Final answer
   x = 210,688.20