Finding the Fourth Proportional to 13,015.82, 17,961.84 and 7,047.49

Step by Step Solution

1. Step 1: Write the proportion equation
   13,015.82 : 17,961.84 = 7,047.49 : x
2. Step 2: Convert to fraction form
   13,015.82/17,961.84 = 7,047.49/x
3. Step 3: Cross multiply
   13,015.82x = 17,961.84 × 7,047.49
4. Step 4: Simplify right side
   13,015.82x = 126,585,842.88
5. Step 5: Solve for x
   x = 126,585,842.88/13,015.82
6. Step 6: Final answer
   x = 9,725.54