Finding the Fourth Proportional to 78,673.57, 108,554.55 and 46,418.37

Step by Step Solution

1. Step 1: Write the proportion equation
   78,673.57 : 108,554.55 = 46,418.37 : x
2. Step 2: Convert to fraction form
   78,673.57/108,554.55 = 46,418.37/x
3. Step 3: Cross multiply
   78,673.57x = 108,554.55 × 46,418.37
4. Step 4: Simplify right side
   78,673.57x = 5,038,925,267.08
5. Step 5: Solve for x
   x = 5,038,925,267.08/78,673.57
6. Step 6: Final answer
   x = 64,048.51