Finding the Fourth Proportional to 194,900, 268,962.02 and 105,476

Step by Step Solution

1. Step 1: Write the proportion equation
   194,900 : 268,962.02 = 105,476 : x
2. Step 2: Convert to fraction form
   194,900/268,962.02 = 105,476/x
3. Step 3: Cross multiply
   194,900x = 268,962.02 × 105,476
4. Step 4: Simplify right side
   194,900x = 28,369,038,021.52
5. Step 5: Solve for x
   x = 28,369,038,021.52/194,900
6. Step 6: Final answer
   x = 145,556.89