Finding the Fourth Proportional to 11,655, 17,485.46 and 3,447

Step by Step Solution

1. Step 1: Write the proportion equation
   11,655 : 17,485.46 = 3,447 : x
2. Step 2: Convert to fraction form
   11,655/17,485.46 = 3,447/x
3. Step 3: Cross multiply
   11,655x = 17,485.46 × 3,447
4. Step 4: Simplify right side
   11,655x = 60,272,380.62
5. Step 5: Solve for x
   x = 60,272,380.62/11,655
6. Step 6: Final answer
   x = 5,171.38