Finding the Fourth Proportional to 205,470.72, 283,554.24 and 120,648.96

Step by Step Solution

1. Step 1: Write the proportion equation
   205,470.72 : 283,554.24 = 120,648.96 : x
2. Step 2: Convert to fraction form
   205,470.72/283,554.24 = 120,648.96/x
3. Step 3: Cross multiply
   205,470.72x = 283,554.24 × 120,648.96
4. Step 4: Simplify right side
   205,470.72x = 34,210,524,159.59
5. Step 5: Solve for x
   x = 34,210,524,159.59/205,470.72
6. Step 6: Final answer
   x = 166,498.29