Finding the Fourth Proportional to 213,061.92, 294,026.39 and 117,571.42

Step by Step Solution

1. Step 1: Write the proportion equation
   213,061.92 : 294,026.39 = 117,571.42 : x
2. Step 2: Convert to fraction form
   213,061.92/294,026.39 = 117,571.42/x
3. Step 3: Cross multiply
   213,061.92x = 294,026.39 × 117,571.42
4. Step 4: Simplify right side
   213,061.92x = 34,569,100,189.77
5. Step 5: Solve for x
   x = 34,569,100,189.77/213,061.92
6. Step 6: Final answer
   x = 162,249.08