Finding the Fourth Proportional to 213,116.92, 294,100.72 and 117,622.94

Step by Step Solution

1. Step 1: Write the proportion equation
   213,116.92 : 294,100.72 = 117,622.94 : x
2. Step 2: Convert to fraction form
   213,116.92/294,100.72 = 117,622.94/x
3. Step 3: Cross multiply
   213,116.92x = 294,100.72 × 117,622.94
4. Step 4: Simplify right side
   213,116.92x = 34,592,991,342.52
5. Step 5: Solve for x
   x = 34,592,991,342.52/213,116.92
6. Step 6: Final answer
   x = 162,319.31