Finding the Fourth Proportional to 274,667.34, 379,009.60 and 153,791.82

Step by Step Solution

1. Step 1: Write the proportion equation
   274,667.34 : 379,009.60 = 153,791.82 : x
2. Step 2: Convert to fraction form
   274,667.34/379,009.60 = 153,791.82/x
3. Step 3: Cross multiply
   274,667.34x = 379,009.60 × 153,791.82
4. Step 4: Simplify right side
   274,667.34x = 58,288,576,181.47
5. Step 5: Solve for x
   x = 58,288,576,181.47/274,667.34
6. Step 6: Final answer
   x = 212,215.17