Finding the Fourth Proportional to 196,642.56, 271,368.60 and 111,760.20

Step by Step Solution

1. Step 1: Write the proportion equation
   196,642.56 : 271,368.60 = 111,760.20 : x
2. Step 2: Convert to fraction form
   196,642.56/271,368.60 = 111,760.20/x
3. Step 3: Cross multiply
   196,642.56x = 271,368.60 × 111,760.20
4. Step 4: Simplify right side
   196,642.56x = 30,328,209,009.72
5. Step 5: Solve for x
   x = 30,328,209,009.72/196,642.56
6. Step 6: Final answer
   x = 154,230.14