Finding the Fourth Proportional to 194,886.56, 268,943.46 and 105,462.56

Step by Step Solution

1. Step 1: Write the proportion equation
   194,886.56 : 268,943.46 = 105,462.56 : x
2. Step 2: Convert to fraction form
   194,886.56/268,943.46 = 105,462.56/x
3. Step 3: Cross multiply
   194,886.56x = 268,943.46 × 105,462.56
4. Step 4: Simplify right side
   194,886.56x = 28,363,466,063.73
5. Step 5: Solve for x
   x = 28,363,466,063.73/194,886.56
6. Step 6: Final answer
   x = 145,538.34