Finding the Fourth Proportional to 196,213.58, 270,766.74 and 111,328.82

Step by Step Solution

1. Step 1: Write the proportion equation
   196,213.58 : 270,766.74 = 111,328.82 : x
2. Step 2: Convert to fraction form
   196,213.58/270,766.74 = 111,328.82/x
3. Step 3: Cross multiply
   196,213.58x = 270,766.74 × 111,328.82
4. Step 4: Simplify right side
   196,213.58x = 30,144,141,659.45
5. Step 5: Solve for x
   x = 30,144,141,659.45/196,213.58
6. Step 6: Final answer
   x = 153,629.23