Finding the Fourth Proportional to 194,433, 268,317.54 and 105,009

Step by Step Solution

1. Step 1: Write the proportion equation
   194,433 : 268,317.54 = 105,009 : x
2. Step 2: Convert to fraction form
   194,433/268,317.54 = 105,009/x
3. Step 3: Cross multiply
   194,433x = 268,317.54 × 105,009
4. Step 4: Simplify right side
   194,433x = 28,175,756,557.86
5. Step 5: Solve for x
   x = 28,175,756,557.86/194,433
6. Step 6: Final answer
   x = 144,912.42