Finding the Fourth Proportional to 11,968.55, 17,953.49 and 3,648.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,968.55 : 17,953.49 = 3,648.84 : x
2. Step 2: Convert to fraction form
   11,968.55/17,953.49 = 3,648.84/x
3. Step 3: Cross multiply
   11,968.55x = 17,953.49 × 3,648.84
4. Step 4: Simplify right side
   11,968.55x = 65,509,412.45
5. Step 5: Solve for x
   x = 65,509,412.45/11,968.55
6. Step 6: Final answer
   x = 5,473.46