Finding the Fourth Proportional to 78,789.72, 108,694.05 and 46,502.43

Step by Step Solution

1. Step 1: Write the proportion equation
   78,789.72 : 108,694.05 = 46,502.43 : x
2. Step 2: Convert to fraction form
   78,789.72/108,694.05 = 46,502.43/x
3. Step 3: Cross multiply
   78,789.72x = 108,694.05 × 46,502.43
4. Step 4: Simplify right side
   78,789.72x = 5,054,537,451.54
5. Step 5: Solve for x
   x = 5,054,537,451.54/78,789.72
6. Step 6: Final answer
   x = 64,152.25