Finding the Fourth Proportional to 194,876.72, 268,930.68 and 105,452.72

Step by Step Solution

1. Step 1: Write the proportion equation
   194,876.72 : 268,930.68 = 105,452.72 : x
2. Step 2: Convert to fraction form
   194,876.72/268,930.68 = 105,452.72/x
3. Step 3: Cross multiply
   194,876.72x = 268,930.68 × 105,452.72
4. Step 4: Simplify right side
   194,876.72x = 28,359,471,559.01
5. Step 5: Solve for x
   x = 28,359,471,559.01/194,876.72
6. Step 6: Final answer
   x = 145,525.19