Finding the Fourth Proportional to 101,916.05, 152,934.21 and 38,789.31

Step by Step Solution

1. Step 1: Write the proportion equation
   101,916.05 : 152,934.21 = 38,789.31 : x
2. Step 2: Convert to fraction form
   101,916.05/152,934.21 = 38,789.31/x
3. Step 3: Cross multiply
   101,916.05x = 152,934.21 × 38,789.31
4. Step 4: Simplify right side
   101,916.05x = 5,932,212,481.30
5. Step 5: Solve for x
   x = 5,932,212,481.30/101,916.05
6. Step 6: Final answer
   x = 58,206.86