Finding the Fourth Proportional to 10,896.78, 16,343.65 and 3,501.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,896.78 : 16,343.65 = 3,501.89 : x
2. Step 2: Convert to fraction form
   10,896.78/16,343.65 = 3,501.89/x
3. Step 3: Cross multiply
   10,896.78x = 16,343.65 × 3,501.89
4. Step 4: Simplify right side
   10,896.78x = 57,233,664.50
5. Step 5: Solve for x
   x = 57,233,664.50/10,896.78
6. Step 6: Final answer
   x = 5,252.35