Finding the Fourth Proportional to 194,112.18, 268,020.72 and 191,012.10

Step by Step Solution

1. Step 1: Write the proportion equation
   194,112.18 : 268,020.72 = 191,012.10 : x
2. Step 2: Convert to fraction form
   194,112.18/268,020.72 = 191,012.10/x
3. Step 3: Cross multiply
   194,112.18x = 268,020.72 × 191,012.10
4. Step 4: Simplify right side
   194,112.18x = 51,195,200,570.71
5. Step 5: Solve for x
   x = 51,195,200,570.71/194,112.18
6. Step 6: Final answer
   x = 263,740.28