Finding the Fourth Proportional to 127,863.20, 191,787.86 and 39,116.71

Step by Step Solution

1. Step 1: Write the proportion equation
   127,863.20 : 191,787.86 = 39,116.71 : x
2. Step 2: Convert to fraction form
   127,863.20/191,787.86 = 39,116.71/x
3. Step 3: Cross multiply
   127,863.20x = 191,787.86 × 39,116.71
4. Step 4: Simplify right side
   127,863.20x = 7,502,109,905.56
5. Step 5: Solve for x
   x = 7,502,109,905.56/127,863.20
6. Step 6: Final answer
   x = 58,672.94