Finding the Fourth Proportional to 194,711.40, 268,678.72 and 113,020.72

Step by Step Solution

1. Step 1: Write the proportion equation
   194,711.40 : 268,678.72 = 113,020.72 : x
2. Step 2: Convert to fraction form
   194,711.40/268,678.72 = 113,020.72/x
3. Step 3: Cross multiply
   194,711.40x = 268,678.72 × 113,020.72
4. Step 4: Simplify right side
   194,711.40x = 30,366,262,383.08
5. Step 5: Solve for x
   x = 30,366,262,383.08/194,711.40
6. Step 6: Final answer
   x = 155,955.24