Finding the Fourth Proportional to 215,155.35, 296,924.89 and 119,659.99

Step by Step Solution

1. Step 1: Write the proportion equation
   215,155.35 : 296,924.89 = 119,659.99 : x
2. Step 2: Convert to fraction form
   215,155.35/296,924.89 = 119,659.99/x
3. Step 3: Cross multiply
   215,155.35x = 296,924.89 × 119,659.99
4. Step 4: Simplify right side
   215,155.35x = 35,530,029,667.30
5. Step 5: Solve for x
   x = 35,530,029,667.30/215,155.35
6. Step 6: Final answer
   x = 165,136.63