Finding the Fourth Proportional to 216,499.82, 298,774.16 and 119,711.54

Step by Step Solution

1. Step 1: Write the proportion equation
   216,499.82 : 298,774.16 = 119,711.54 : x
2. Step 2: Convert to fraction form
   216,499.82/298,774.16 = 119,711.54/x
3. Step 3: Cross multiply
   216,499.82x = 298,774.16 × 119,711.54
4. Step 4: Simplify right side
   216,499.82x = 35,766,714,805.81
5. Step 5: Solve for x
   x = 35,766,714,805.81/216,499.82
6. Step 6: Final answer
   x = 165,204.36