Finding the Fourth Proportional to 3,892.82, 5,811.50 and 3,756.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,892.82 : 5,811.50 = 3,756.12 : x
2. Step 2: Convert to fraction form
   3,892.82/5,811.50 = 3,756.12/x
3. Step 3: Cross multiply
   3,892.82x = 5,811.50 × 3,756.12
4. Step 4: Simplify right side
   3,892.82x = 21,828,672.60
5. Step 5: Solve for x
   x = 21,828,672.60/3,892.82
6. Step 6: Final answer
   x = 5,607.43