Finding the Fourth Proportional to 213,162.75, 294,158.91 and 117,667.41

Step by Step Solution

1. Step 1: Write the proportion equation
   213,162.75 : 294,158.91 = 117,667.41 : x
2. Step 2: Convert to fraction form
   213,162.75/294,158.91 = 117,667.41/x
3. Step 3: Cross multiply
   213,162.75x = 294,158.91 × 117,667.41
4. Step 4: Simplify right side
   213,162.75x = 34,612,917,068.12
5. Step 5: Solve for x
   x = 34,612,917,068.12/213,162.75
6. Step 6: Final answer
   x = 162,377.89