Finding the Fourth Proportional to 10,890.36, 16,334.65 and 3,492.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,890.36 : 16,334.65 = 3,492.83 : x
2. Step 2: Convert to fraction form
   10,890.36/16,334.65 = 3,492.83/x
3. Step 3: Cross multiply
   10,890.36x = 16,334.65 × 3,492.83
4. Step 4: Simplify right side
   10,890.36x = 57,054,155.56
5. Step 5: Solve for x
   x = 57,054,155.56/10,890.36
6. Step 6: Final answer
   x = 5,238.96