Finding the Fourth Proportional to 17,017.62, 23,477.76 and 12,551.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,017.62 : 23,477.76 = 12,551.96 : x
2. Step 2: Convert to fraction form
   17,017.62/23,477.76 = 12,551.96/x
3. Step 3: Cross multiply
   17,017.62x = 23,477.76 × 12,551.96
4. Step 4: Simplify right side
   17,017.62x = 294,691,787.02
5. Step 5: Solve for x
   x = 294,691,787.02/17,017.62
6. Step 6: Final answer
   x = 17,316.86