Finding the Fourth Proportional to 10,712.57, 16,064.86 and 3,690.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,712.57 : 16,064.86 = 3,690.62 : x
2. Step 2: Convert to fraction form
   10,712.57/16,064.86 = 3,690.62/x
3. Step 3: Cross multiply
   10,712.57x = 16,064.86 × 3,690.62
4. Step 4: Simplify right side
   10,712.57x = 59,289,293.61
5. Step 5: Solve for x
   x = 59,289,293.61/10,712.57
6. Step 6: Final answer
   x = 5,534.55