Finding the Fourth Proportional to 78,947.48, 109,020.27 and 50,702.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,947.48 : 109,020.27 = 50,702.38 : x
2. Step 2: Convert to fraction form
   78,947.48/109,020.27 = 50,702.38/x
3. Step 3: Cross multiply
   78,947.48x = 109,020.27 × 50,702.38
4. Step 4: Simplify right side
   78,947.48x = 5,527,586,358.63
5. Step 5: Solve for x
   x = 5,527,586,358.63/78,947.48
6. Step 6: Final answer
   x = 70,015.99