Finding the Fourth Proportional to 127,765.91, 191,667.31 and 39,007.88

Step by Step Solution

1. Step 1: Write the proportion equation
   127,765.91 : 191,667.31 = 39,007.88 : x
2. Step 2: Convert to fraction form
   127,765.91/191,667.31 = 39,007.88/x
3. Step 3: Cross multiply
   127,765.91x = 191,667.31 × 39,007.88
4. Step 4: Simplify right side
   127,765.91x = 7,476,535,310.72
5. Step 5: Solve for x
   x = 7,476,535,310.72/127,765.91
6. Step 6: Final answer
   x = 58,517.45