Finding the Fourth Proportional to 11,768.48, 17,655.15 and 3,448.77

Step by Step Solution

1. Step 1: Write the proportion equation
   11,768.48 : 17,655.15 = 3,448.77 : x
2. Step 2: Convert to fraction form
   11,768.48/17,655.15 = 3,448.77/x
3. Step 3: Cross multiply
   11,768.48x = 17,655.15 × 3,448.77
4. Step 4: Simplify right side
   11,768.48x = 60,888,507.53
5. Step 5: Solve for x
   x = 60,888,507.53/11,768.48
6. Step 6: Final answer
   x = 5,173.86