Finding the Fourth Proportional to 11,749.08, 17,610.18 and 4,815

Step by Step Solution

1. Step 1: Write the proportion equation
   11,749.08 : 17,610.18 = 4,815 : x
2. Step 2: Convert to fraction form
   11,749.08/17,610.18 = 4,815/x
3. Step 3: Cross multiply
   11,749.08x = 17,610.18 × 4,815
4. Step 4: Simplify right side
   11,749.08x = 84,793,016.70
5. Step 5: Solve for x
   x = 84,793,016.70/11,749.08
6. Step 6: Final answer
   x = 7,216.99