Finding the Fourth Proportional to 78,540.63, 108,377.97 and 46,703.37

Step by Step Solution

1. Step 1: Write the proportion equation
   78,540.63 : 108,377.97 = 46,703.37 : x
2. Step 2: Convert to fraction form
   78,540.63/108,377.97 = 46,703.37/x
3. Step 3: Cross multiply
   78,540.63x = 108,377.97 × 46,703.37
4. Step 4: Simplify right side
   78,540.63x = 5,061,616,432.76
5. Step 5: Solve for x
   x = 5,061,616,432.76/78,540.63
6. Step 6: Final answer
   x = 64,445.83