Finding the Fourth Proportional to 10,647.41, 15,985.17 and 9,097.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,647.41 : 15,985.17 = 9,097.34 : x
2. Step 2: Convert to fraction form
   10,647.41/15,985.17 = 9,097.34/x
3. Step 3: Cross multiply
   10,647.41x = 15,985.17 × 9,097.34
4. Step 4: Simplify right side
   10,647.41x = 145,422,446.52
5. Step 5: Solve for x
   x = 145,422,446.52/10,647.41
6. Step 6: Final answer
   x = 13,658.02