Finding the Fourth Proportional to 10,892.34, 16,248.33 and 10,749.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,892.34 : 16,248.33 = 10,749.78 : x
2. Step 2: Convert to fraction form
   10,892.34/16,248.33 = 10,749.78/x
3. Step 3: Cross multiply
   10,892.34x = 16,248.33 × 10,749.78
4. Step 4: Simplify right side
   10,892.34x = 174,665,972.87
5. Step 5: Solve for x
   x = 174,665,972.87/10,892.34
6. Step 6: Final answer
   x = 16,035.67