Finding the Fourth Proportional to 3,893.31, 5,812.24 and 3,756.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,893.31 : 5,812.24 = 3,756.62 : x
2. Step 2: Convert to fraction form
   3,893.31/5,812.24 = 3,756.62/x
3. Step 3: Cross multiply
   3,893.31x = 5,812.24 × 3,756.62
4. Step 4: Simplify right side
   3,893.31x = 21,834,377.03
5. Step 5: Solve for x
   x = 21,834,377.03/3,893.31
6. Step 6: Final answer
   x = 5,608.18