Finding the Fourth Proportional to 9,892.94, 13,663.08 and 7,681.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,892.94 : 13,663.08 = 7,681.37 : x
2. Step 2: Convert to fraction form
   9,892.94/13,663.08 = 7,681.37/x
3. Step 3: Cross multiply
   9,892.94x = 13,663.08 × 7,681.37
4. Step 4: Simplify right side
   9,892.94x = 104,951,104.50
5. Step 5: Solve for x
   x = 104,951,104.50/9,892.94
6. Step 6: Final answer
   x = 10,608.69