Finding the Fourth Proportional to 17,654.18, 26,474.54 and 5,171.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,654.18 : 26,474.54 = 5,171.54 : x
2. Step 2: Convert to fraction form
   17,654.18/26,474.54 = 5,171.54/x
3. Step 3: Cross multiply
   17,654.18x = 26,474.54 × 5,171.54
4. Step 4: Simplify right side
   17,654.18x = 136,914,142.59
5. Step 5: Solve for x
   x = 136,914,142.59/17,654.18
6. Step 6: Final answer
   x = 7,755.34