Finding the Fourth Proportional to 78,508.43, 108,369.81 and 46,677.25

Step by Step Solution

1. Step 1: Write the proportion equation
   78,508.43 : 108,369.81 = 46,677.25 : x
2. Step 2: Convert to fraction form
   78,508.43/108,369.81 = 46,677.25/x
3. Step 3: Cross multiply
   78,508.43x = 108,369.81 × 46,677.25
4. Step 4: Simplify right side
   78,508.43x = 5,058,404,713.82
5. Step 5: Solve for x
   x = 5,058,404,713.82/78,508.43
6. Step 6: Final answer
   x = 64,431.36