Finding the Fourth Proportional to 127,241.89, 190,833.67 and 57,141.25

Step by Step Solution

1. Step 1: Write the proportion equation
   127,241.89 : 190,833.67 = 57,141.25 : x
2. Step 2: Convert to fraction form
   127,241.89/190,833.67 = 57,141.25/x
3. Step 3: Cross multiply
   127,241.89x = 190,833.67 × 57,141.25
4. Step 4: Simplify right side
   127,241.89x = 10,904,474,445.89
5. Step 5: Solve for x
   x = 10,904,474,445.89/127,241.89
6. Step 6: Final answer
   x = 85,698.78