Finding the Fourth Proportional to 12,451.56, 17,181.72 and 7,414.77

Step by Step Solution

1. Step 1: Write the proportion equation
   12,451.56 : 17,181.72 = 7,414.77 : x
2. Step 2: Convert to fraction form
   12,451.56/17,181.72 = 7,414.77/x
3. Step 3: Cross multiply
   12,451.56x = 17,181.72 × 7,414.77
4. Step 4: Simplify right side
   12,451.56x = 127,398,566.44
5. Step 5: Solve for x
   x = 127,398,566.44/12,451.56
6. Step 6: Final answer
   x = 10,231.54