Finding the Fourth Proportional to 78,959.94, 118,469.28 and 47,392.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,959.94 : 118,469.28 = 47,392.62 : x
2. Step 2: Convert to fraction form
   78,959.94/118,469.28 = 47,392.62/x
3. Step 3: Cross multiply
   78,959.94x = 118,469.28 × 47,392.62
4. Step 4: Simplify right side
   78,959.94x = 5,614,569,568.71
5. Step 5: Solve for x
   x = 5,614,569,568.71/78,959.94
6. Step 6: Final answer
   x = 71,106.56