Finding the Fourth Proportional to 194,464, 268,360.52 and 105,040

Step by Step Solution

1. Step 1: Write the proportion equation
   194,464 : 268,360.52 = 105,040 : x
2. Step 2: Convert to fraction form
   194,464/268,360.52 = 105,040/x
3. Step 3: Cross multiply
   194,464x = 268,360.52 × 105,040
4. Step 4: Simplify right side
   194,464x = 28,188,589,020.80
5. Step 5: Solve for x
   x = 28,188,589,020.80/194,464
6. Step 6: Final answer
   x = 144,955.31