Finding the Fourth Proportional to 78,960.24, 108,914.16 and 47,104.56

Step by Step Solution

1. Step 1: Write the proportion equation
   78,960.24 : 108,914.16 = 47,104.56 : x
2. Step 2: Convert to fraction form
   78,960.24/108,914.16 = 47,104.56/x
3. Step 3: Cross multiply
   78,960.24x = 108,914.16 × 47,104.56
4. Step 4: Simplify right side
   78,960.24x = 5,130,353,584.57
5. Step 5: Solve for x
   x = 5,130,353,584.57/78,960.24
6. Step 6: Final answer
   x = 64,973.89