Finding the Fourth Proportional to 12,853.16, 17,735.34 and 7,476.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,853.16 : 17,735.34 = 7,476.79 : x
2. Step 2: Convert to fraction form
   12,853.16/17,735.34 = 7,476.79/x
3. Step 3: Cross multiply
   12,853.16x = 17,735.34 × 7,476.79
4. Step 4: Simplify right side
   12,853.16x = 132,603,412.76
5. Step 5: Solve for x
   x = 132,603,412.76/12,853.16
6. Step 6: Final answer
   x = 10,316.79