Finding the Fourth Proportional to 194,722.25, 268,716.72 and 105,298.25

Step by Step Solution

1. Step 1: Write the proportion equation
   194,722.25 : 268,716.72 = 105,298.25 : x
2. Step 2: Convert to fraction form
   194,722.25/268,716.72 = 105,298.25/x
3. Step 3: Cross multiply
   194,722.25x = 268,716.72 × 105,298.25
4. Step 4: Simplify right side
   194,722.25x = 28,295,400,361.74
5. Step 5: Solve for x
   x = 28,295,400,361.74/194,722.25
6. Step 6: Final answer
   x = 145,311.59