Finding the Fourth Proportional to 215,955.83, 298,025.39 and 120,460.48

Step by Step Solution

1. Step 1: Write the proportion equation
   215,955.83 : 298,025.39 = 120,460.48 : x
2. Step 2: Convert to fraction form
   215,955.83/298,025.39 = 120,460.48/x
3. Step 3: Cross multiply
   215,955.83x = 298,025.39 × 120,460.48
4. Step 4: Simplify right side
   215,955.83x = 35,900,280,184.22
5. Step 5: Solve for x
   x = 35,900,280,184.22/215,955.83
6. Step 6: Final answer
   x = 166,238.99