Finding the Fourth Proportional to 195,980.96, 270,445.56 and 111,103.76

Step by Step Solution

1. Step 1: Write the proportion equation
   195,980.96 : 270,445.56 = 111,103.76 : x
2. Step 2: Convert to fraction form
   195,980.96/270,445.56 = 111,103.76/x
3. Step 3: Cross multiply
   195,980.96x = 270,445.56 × 111,103.76
4. Step 4: Simplify right side
   195,980.96x = 30,047,518,591.31
5. Step 5: Solve for x
   x = 30,047,518,591.31/195,980.96
6. Step 6: Final answer
   x = 153,318.56