Finding the Fourth Proportional to 13,047.44, 17,997.28 and 7,738.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,047.44 : 17,997.28 = 7,738.50 : x
2. Step 2: Convert to fraction form
   13,047.44/17,997.28 = 7,738.50/x
3. Step 3: Cross multiply
   13,047.44x = 17,997.28 × 7,738.50
4. Step 4: Simplify right side
   13,047.44x = 139,271,931.93
5. Step 5: Solve for x
   x = 139,271,931.93/13,047.44
6. Step 6: Final answer
   x = 10,674.27