Finding the Fourth Proportional to 10,929.89, 16,394.45 and 3,534.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,929.89 : 16,394.45 = 3,534.15 : x
2. Step 2: Convert to fraction form
   10,929.89/16,394.45 = 3,534.15/x
3. Step 3: Cross multiply
   10,929.89x = 16,394.45 × 3,534.15
4. Step 4: Simplify right side
   10,929.89x = 57,940,427.80
5. Step 5: Solve for x
   x = 57,940,427.80/10,929.89
6. Step 6: Final answer
   x = 5,301.10