Finding the Fourth Proportional to 85,587.54, 118,119.63 and 49,290.18

Step by Step Solution

1. Step 1: Write the proportion equation
   85,587.54 : 118,119.63 = 49,290.18 : x
2. Step 2: Convert to fraction form
   85,587.54/118,119.63 = 49,290.18/x
3. Step 3: Cross multiply
   85,587.54x = 118,119.63 × 49,290.18
4. Step 4: Simplify right side
   85,587.54x = 5,822,137,233.64
5. Step 5: Solve for x
   x = 5,822,137,233.64/85,587.54
6. Step 6: Final answer
   x = 68,025.52