Finding the Fourth Proportional to 274,665.98, 379,039.01 and 152,166.33

Step by Step Solution

1. Step 1: Write the proportion equation
   274,665.98 : 379,039.01 = 152,166.33 : x
2. Step 2: Convert to fraction form
   274,665.98/379,039.01 = 152,166.33/x
3. Step 3: Cross multiply
   274,665.98x = 379,039.01 × 152,166.33
4. Step 4: Simplify right side
   274,665.98x = 57,676,974,317.70
5. Step 5: Solve for x
   x = 57,676,974,317.70/274,665.98
6. Step 6: Final answer
   x = 209,989.51