Finding the Fourth Proportional to 11,769.25, 17,655.53 and 3,449.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,769.25 : 17,655.53 = 3,449.86 : x
2. Step 2: Convert to fraction form
   11,769.25/17,655.53 = 3,449.86/x
3. Step 3: Cross multiply
   11,769.25x = 17,655.53 × 3,449.86
4. Step 4: Simplify right side
   11,769.25x = 60,909,106.73
5. Step 5: Solve for x
   x = 60,909,106.73/11,769.25
6. Step 6: Final answer
   x = 5,175.28