Finding the Fourth Proportional to 12,448.82, 17,188.05 and 7,735.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,448.82 : 17,188.05 = 7,735.22 : x
2. Step 2: Convert to fraction form
   12,448.82/17,188.05 = 7,735.22/x
3. Step 3: Cross multiply
   12,448.82x = 17,188.05 × 7,735.22
4. Step 4: Simplify right side
   12,448.82x = 132,953,348.12
5. Step 5: Solve for x
   x = 132,953,348.12/12,448.82
6. Step 6: Final answer
   x = 10,680.00