Finding the Fourth Proportional to 194,483, 268,386.78 and 105,059

Step by Step Solution

1. Step 1: Write the proportion equation
   194,483 : 268,386.78 = 105,059 : x
2. Step 2: Convert to fraction form
   194,483/268,386.78 = 105,059/x
3. Step 3: Cross multiply
   194,483x = 268,386.78 × 105,059
4. Step 4: Simplify right side
   194,483x = 28,196,446,720.02
5. Step 5: Solve for x
   x = 28,196,446,720.02/194,483
6. Step 6: Final answer
   x = 144,981.55