Finding the Fourth Proportional to 10,710.90, 16,065.34 and 3,690.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,710.90 : 16,065.34 = 3,690.23 : x
2. Step 2: Convert to fraction form
   10,710.90/16,065.34 = 3,690.23/x
3. Step 3: Cross multiply
   10,710.90x = 16,065.34 × 3,690.23
4. Step 4: Simplify right side
   10,710.90x = 59,284,710.08
5. Step 5: Solve for x
   x = 59,284,710.08/10,710.90
6. Step 6: Final answer
   x = 5,534.99