Finding the Fourth Proportional to 78,509.25, 108,296.60 and 46,676.25

Step by Step Solution

1. Step 1: Write the proportion equation
   78,509.25 : 108,296.60 = 46,676.25 : x
2. Step 2: Convert to fraction form
   78,509.25/108,296.60 = 46,676.25/x
3. Step 3: Cross multiply
   78,509.25x = 108,296.60 × 46,676.25
4. Step 4: Simplify right side
   78,509.25x = 5,054,878,942.37
5. Step 5: Solve for x
   x = 5,054,878,942.37/78,509.25
6. Step 6: Final answer
   x = 64,385.78