Finding the Fourth Proportional to 12,468.84, 17,281.31 and 12,235.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,468.84 : 17,281.31 = 12,235.56 : x
2. Step 2: Convert to fraction form
   12,468.84/17,281.31 = 12,235.56/x
3. Step 3: Cross multiply
   12,468.84x = 17,281.31 × 12,235.56
4. Step 4: Simplify right side
   12,468.84x = 211,446,505.38
5. Step 5: Solve for x
   x = 211,446,505.38/12,468.84
6. Step 6: Final answer
   x = 16,957.99