Finding the Fourth Proportional to 216,055.98, 298,156.82 and 120,556.98

Step by Step Solution

1. Step 1: Write the proportion equation
   216,055.98 : 298,156.82 = 120,556.98 : x
2. Step 2: Convert to fraction form
   216,055.98/298,156.82 = 120,556.98/x
3. Step 3: Cross multiply
   216,055.98x = 298,156.82 × 120,556.98
4. Step 4: Simplify right side
   216,055.98x = 35,944,885,182.82
5. Step 5: Solve for x
   x = 35,944,885,182.82/216,055.98
6. Step 6: Final answer
   x = 166,368.39