Finding the Fourth Proportional to 213,141.18, 294,113.82 and 117,641.67

Step by Step Solution

1. Step 1: Write the proportion equation
   213,141.18 : 294,113.82 = 117,641.67 : x
2. Step 2: Convert to fraction form
   213,141.18/294,113.82 = 117,641.67/x
3. Step 3: Cross multiply
   213,141.18x = 294,113.82 × 117,641.67
4. Step 4: Simplify right side
   213,141.18x = 34,600,040,954.88
5. Step 5: Solve for x
   x = 34,600,040,954.88/213,141.18
6. Step 6: Final answer
   x = 162,333.91