Finding the Fourth Proportional to 266,928.78, 368,383.59 and 152,243.49

Step by Step Solution

1. Step 1: Write the proportion equation
   266,928.78 : 368,383.59 = 152,243.49 : x
2. Step 2: Convert to fraction form
   266,928.78/368,383.59 = 152,243.49/x
3. Step 3: Cross multiply
   266,928.78x = 368,383.59 × 152,243.49
4. Step 4: Simplify right side
   266,928.78x = 56,084,003,400.33
5. Step 5: Solve for x
   x = 56,084,003,400.33/266,928.78
6. Step 6: Final answer
   x = 210,108.49