Finding the Fourth Proportional to 10,918.95, 16,381.62 and 3,523.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,918.95 : 16,381.62 = 3,523.23 : x
2. Step 2: Convert to fraction form
   10,918.95/16,381.62 = 3,523.23/x
3. Step 3: Cross multiply
   10,918.95x = 16,381.62 × 3,523.23
4. Step 4: Simplify right side
   10,918.95x = 57,716,215.03
5. Step 5: Solve for x
   x = 57,716,215.03/10,918.95
6. Step 6: Final answer
   x = 5,285.88