Finding the Fourth Proportional to 85,388.73, 117,836.00 and 49,587.54

Step by Step Solution

1. Step 1: Write the proportion equation
   85,388.73 : 117,836.00 = 49,587.54 : x
2. Step 2: Convert to fraction form
   85,388.73/117,836.00 = 49,587.54/x
3. Step 3: Cross multiply
   85,388.73x = 117,836.00 × 49,587.54
4. Step 4: Simplify right side
   85,388.73x = 5,843,197,115.50
5. Step 5: Solve for x
   x = 5,843,197,115.50/85,388.73
6. Step 6: Final answer
   x = 68,430.54