Finding the Fourth Proportional to 10,017.16, 13,822.61 and 5,540.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,017.16 : 13,822.61 = 5,540.79 : x
2. Step 2: Convert to fraction form
   10,017.16/13,822.61 = 5,540.79/x
3. Step 3: Cross multiply
   10,017.16x = 13,822.61 × 5,540.79
4. Step 4: Simplify right side
   10,017.16x = 76,588,179.26
5. Step 5: Solve for x
   x = 76,588,179.26/10,017.16
6. Step 6: Final answer
   x = 7,645.70