Finding the Fourth Proportional to 127,853.34, 191,882.73 and 57,738.78

Step by Step Solution

1. Step 1: Write the proportion equation
   127,853.34 : 191,882.73 = 57,738.78 : x
2. Step 2: Convert to fraction form
   127,853.34/191,882.73 = 57,738.78/x
3. Step 3: Cross multiply
   127,853.34x = 191,882.73 × 57,738.78
4. Step 4: Simplify right side
   127,853.34x = 11,079,074,733.27
5. Step 5: Solve for x
   x = 11,079,074,733.27/127,853.34
6. Step 6: Final answer
   x = 86,654.56