Finding the Fourth Proportional to 10,932.90, 16,401.18 and 3,539.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,932.90 : 16,401.18 = 3,539.22 : x
2. Step 2: Convert to fraction form
   10,932.90/16,401.18 = 3,539.22/x
3. Step 3: Cross multiply
   10,932.90x = 16,401.18 × 3,539.22
4. Step 4: Simplify right side
   10,932.90x = 58,047,384.28
5. Step 5: Solve for x
   x = 58,047,384.28/10,932.90
6. Step 6: Final answer
   x = 5,309.42