Finding the Fourth Proportional to 146,514.10, 219,443.10 and 120,270.10

Step by Step Solution

1. Step 1: Write the proportion equation
   146,514.10 : 219,443.10 = 120,270.10 : x
2. Step 2: Convert to fraction form
   146,514.10/219,443.10 = 120,270.10/x
3. Step 3: Cross multiply
   146,514.10x = 219,443.10 × 120,270.10
4. Step 4: Simplify right side
   146,514.10x = 26,392,443,581.31
5. Step 5: Solve for x
   x = 26,392,443,581.31/146,514.10
6. Step 6: Final answer
   x = 180,135.86