Finding the Fourth Proportional to 11,748.96, 17,618.23 and 8,448.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,748.96 : 17,618.23 = 8,448.25 : x
2. Step 2: Convert to fraction form
   11,748.96/17,618.23 = 8,448.25/x
3. Step 3: Cross multiply
   11,748.96x = 17,618.23 × 8,448.25
4. Step 4: Simplify right side
   11,748.96x = 148,843,211.60
5. Step 5: Solve for x
   x = 148,843,211.60/11,748.96
6. Step 6: Final answer
   x = 12,668.63