Finding the Fourth Proportional to 10,444.72, 15,647.46 and 5,173.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,444.72 : 15,647.46 = 5,173.60 : x
2. Step 2: Convert to fraction form
   10,444.72/15,647.46 = 5,173.60/x
3. Step 3: Cross multiply
   10,444.72x = 15,647.46 × 5,173.60
4. Step 4: Simplify right side
   10,444.72x = 80,953,699.06
5. Step 5: Solve for x
   x = 80,953,699.06/10,444.72
6. Step 6: Final answer
   x = 7,750.68