Finding the Fourth Proportional to 196,301.34, 270,903.99 and 111,426.30

Step by Step Solution

1. Step 1: Write the proportion equation
   196,301.34 : 270,903.99 = 111,426.30 : x
2. Step 2: Convert to fraction form
   196,301.34/270,903.99 = 111,426.30/x
3. Step 3: Cross multiply
   196,301.34x = 270,903.99 × 111,426.30
4. Step 4: Simplify right side
   196,301.34x = 30,185,829,260.94
5. Step 5: Solve for x
   x = 30,185,829,260.94/196,301.34
6. Step 6: Final answer
   x = 153,772.91