Finding the Fourth Proportional to 12,487.14, 17,232.24 and 7,181.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,487.14 : 17,232.24 = 7,181.82 : x
2. Step 2: Convert to fraction form
   12,487.14/17,232.24 = 7,181.82/x
3. Step 3: Cross multiply
   12,487.14x = 17,232.24 × 7,181.82
4. Step 4: Simplify right side
   12,487.14x = 123,758,845.88
5. Step 5: Solve for x
   x = 123,758,845.88/12,487.14
6. Step 6: Final answer
   x = 9,910.90