Finding the Fourth Proportional to 215,942.72, 298,006.71 and 120,468.02

Step by Step Solution

1. Step 1: Write the proportion equation
   215,942.72 : 298,006.71 = 120,468.02 : x
2. Step 2: Convert to fraction form
   215,942.72/298,006.71 = 120,468.02/x
3. Step 3: Cross multiply
   215,942.72x = 298,006.71 × 120,468.02
4. Step 4: Simplify right side
   215,942.72x = 35,900,278,300.41
5. Step 5: Solve for x
   x = 35,900,278,300.41/215,942.72
6. Step 6: Final answer
   x = 166,249.08