Finding the Fourth Proportional to 215,145.33, 296,877.83 and 119,636.61

Step by Step Solution

1. Step 1: Write the proportion equation
   215,145.33 : 296,877.83 = 119,636.61 : x
2. Step 2: Convert to fraction form
   215,145.33/296,877.83 = 119,636.61/x
3. Step 3: Cross multiply
   215,145.33x = 296,877.83 × 119,636.61
4. Step 4: Simplify right side
   215,145.33x = 35,517,456,567.17
5. Step 5: Solve for x
   x = 35,517,456,567.17/215,145.33
6. Step 6: Final answer
   x = 165,085.88