Finding the Fourth Proportional to 68,947.06, 95,146.89 and 39,139.06

Step by Step Solution

1. Step 1: Write the proportion equation
   68,947.06 : 95,146.89 = 39,139.06 : x
2. Step 2: Convert to fraction form
   68,947.06/95,146.89 = 39,139.06/x
3. Step 3: Cross multiply
   68,947.06x = 95,146.89 × 39,139.06
4. Step 4: Simplify right side
   68,947.06x = 3,723,959,836.52
5. Step 5: Solve for x
   x = 3,723,959,836.52/68,947.06
6. Step 6: Final answer
   x = 54,011.87