Finding the Fourth Proportional to 196,300.84, 270,903.30 and 111,425.80

Step by Step Solution

1. Step 1: Write the proportion equation
   196,300.84 : 270,903.30 = 111,425.80 : x
2. Step 2: Convert to fraction form
   196,300.84/270,903.30 = 111,425.80/x
3. Step 3: Cross multiply
   196,300.84x = 270,903.30 × 111,425.80
4. Step 4: Simplify right side
   196,300.84x = 30,185,616,925.14
5. Step 5: Solve for x
   x = 30,185,616,925.14/196,300.84
6. Step 6: Final answer
   x = 153,772.22