Finding the Fourth Proportional to 213,113.91, 294,096.59 and 117,619.94

Step by Step Solution

1. Step 1: Write the proportion equation
   213,113.91 : 294,096.59 = 117,619.94 : x
2. Step 2: Convert to fraction form
   213,113.91/294,096.59 = 117,619.94/x
3. Step 3: Cross multiply
   213,113.91x = 294,096.59 × 117,619.94
4. Step 4: Simplify right side
   213,113.91x = 34,591,621,211.42
5. Step 5: Solve for x
   x = 34,591,621,211.42/213,113.91
6. Step 6: Final answer
   x = 162,315.17