Finding the Fourth Proportional to 13,015.84, 17,961.83 and 7,047.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,015.84 : 17,961.83 = 7,047.50 : x
2. Step 2: Convert to fraction form
   13,015.84/17,961.83 = 7,047.50/x
3. Step 3: Cross multiply
   13,015.84x = 17,961.83 × 7,047.50
4. Step 4: Simplify right side
   13,015.84x = 126,585,961.69
5. Step 5: Solve for x
   x = 126,585,961.69/13,015.84
6. Step 6: Final answer
   x = 9,725.54