Finding the Fourth Proportional to 215,659.82, 297,606.54 and 120,164.48

Step by Step Solution

1. Step 1: Write the proportion equation
   215,659.82 : 297,606.54 = 120,164.48 : x
2. Step 2: Convert to fraction form
   215,659.82/297,606.54 = 120,164.48/x
3. Step 3: Cross multiply
   215,659.82x = 297,606.54 × 120,164.48
4. Step 4: Simplify right side
   215,659.82x = 35,761,735,123.70
5. Step 5: Solve for x
   x = 35,761,735,123.70/215,659.82
6. Step 6: Final answer
   x = 165,824.75