Finding the Fourth Proportional to 10,933.90, 16,402.68 and 3,540.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,933.90 : 16,402.68 = 3,540.22 : x
2. Step 2: Convert to fraction form
   10,933.90/16,402.68 = 3,540.22/x
3. Step 3: Cross multiply
   10,933.90x = 16,402.68 × 3,540.22
4. Step 4: Simplify right side
   10,933.90x = 58,069,095.79
5. Step 5: Solve for x
   x = 58,069,095.79/10,933.90
6. Step 6: Final answer
   x = 5,310.92