Finding the Fourth Proportional to 194,499, 268,408.62 and 105,075

Step by Step Solution

1. Step 1: Write the proportion equation
   194,499 : 268,408.62 = 105,075 : x
2. Step 2: Convert to fraction form
   194,499/268,408.62 = 105,075/x
3. Step 3: Cross multiply
   194,499x = 268,408.62 × 105,075
4. Step 4: Simplify right side
   194,499x = 28,203,035,746.50
5. Step 5: Solve for x
   x = 28,203,035,746.50/194,499
6. Step 6: Final answer
   x = 145,003.50