Finding the Fourth Proportional to 127,845.67, 191,776.07 and 39,105.31

Step by Step Solution

1. Step 1: Write the proportion equation
   127,845.67 : 191,776.07 = 39,105.31 : x
2. Step 2: Convert to fraction form
   127,845.67/191,776.07 = 39,105.31/x
3. Step 3: Cross multiply
   127,845.67x = 191,776.07 × 39,105.31
4. Step 4: Simplify right side
   127,845.67x = 7,499,462,667.93
5. Step 5: Solve for x
   x = 7,499,462,667.93/127,845.67
6. Step 6: Final answer
   x = 58,660.28