Finding the Fourth Proportional to 362,518.27, 542,949.12 and 173,111.31

Step by Step Solution

1. Step 1: Write the proportion equation
   362,518.27 : 542,949.12 = 173,111.31 : x
2. Step 2: Convert to fraction form
   362,518.27/542,949.12 = 173,111.31/x
3. Step 3: Cross multiply
   362,518.27x = 542,949.12 × 173,111.31
4. Step 4: Simplify right side
   362,518.27x = 93,990,633,426.55
5. Step 5: Solve for x
   x = 93,990,633,426.55/362,518.27
6. Step 6: Final answer
   x = 259,271.44