Finding the Fourth Proportional to 213,570.82, 294,726.09 and 118,081.54

Step by Step Solution

1. Step 1: Write the proportion equation
   213,570.82 : 294,726.09 = 118,081.54 : x
2. Step 2: Convert to fraction form
   213,570.82/294,726.09 = 118,081.54/x
3. Step 3: Cross multiply
   213,570.82x = 294,726.09 × 118,081.54
4. Step 4: Simplify right side
   213,570.82x = 34,801,710,585.38
5. Step 5: Solve for x
   x = 34,801,710,585.38/213,570.82
6. Step 6: Final answer
   x = 162,951.62