Finding the Fourth Proportional to 213,160.96, 294,162.18 and 117,667.72

Step by Step Solution

1. Step 1: Write the proportion equation
   213,160.96 : 294,162.18 = 117,667.72 : x
2. Step 2: Convert to fraction form
   213,160.96/294,162.18 = 117,667.72/x
3. Step 3: Cross multiply
   213,160.96x = 294,162.18 × 117,667.72
4. Step 4: Simplify right side
   213,160.96x = 34,613,393,030.83
5. Step 5: Solve for x
   x = 34,613,393,030.83/213,160.96
6. Step 6: Final answer
   x = 162,381.48