Finding the Fourth Proportional to 12,748.19, 17,592.53 and 7,443.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,748.19 : 17,592.53 = 7,443.36 : x
2. Step 2: Convert to fraction form
   12,748.19/17,592.53 = 7,443.36/x
3. Step 3: Cross multiply
   12,748.19x = 17,592.53 × 7,443.36
4. Step 4: Simplify right side
   12,748.19x = 130,947,496.88
5. Step 5: Solve for x
   x = 130,947,496.88/12,748.19
6. Step 6: Final answer
   x = 10,271.85