Finding the Fourth Proportional to 13,005.63, 17,947.71 and 7,037.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,005.63 : 17,947.71 = 7,037.25 : x
2. Step 2: Convert to fraction form
   13,005.63/17,947.71 = 7,037.25/x
3. Step 3: Cross multiply
   13,005.63x = 17,947.71 × 7,037.25
4. Step 4: Simplify right side
   13,005.63x = 126,302,522.20
5. Step 5: Solve for x
   x = 126,302,522.20/13,005.63
6. Step 6: Final answer
   x = 9,711.37