Finding the Fourth Proportional to 10,712.07, 16,064.10 and 3,690.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,712.07 : 16,064.10 = 3,690.12 : x
2. Step 2: Convert to fraction form
   10,712.07/16,064.10 = 3,690.12/x
3. Step 3: Cross multiply
   10,712.07x = 16,064.10 × 3,690.12
4. Step 4: Simplify right side
   10,712.07x = 59,278,456.69
5. Step 5: Solve for x
   x = 59,278,456.69/10,712.07
6. Step 6: Final answer
   x = 5,533.80