Finding the Fourth Proportional to 194,570.25, 268,506.96 and 105,146.25

Step by Step Solution

1. Step 1: Write the proportion equation
   194,570.25 : 268,506.96 = 105,146.25 : x
2. Step 2: Convert to fraction form
   194,570.25/268,506.96 = 105,146.25/x
3. Step 3: Cross multiply
   194,570.25x = 268,506.96 × 105,146.25
4. Step 4: Simplify right side
   194,570.25x = 28,232,499,942.90
5. Step 5: Solve for x
   x = 28,232,499,942.90/194,570.25
6. Step 6: Final answer
   x = 145,101.83