Finding the Fourth Proportional to 3,688.81, 5,090.56 and 2,032.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,688.81 : 5,090.56 = 2,032.81 : x
2. Step 2: Convert to fraction form
   3,688.81/5,090.56 = 2,032.81/x
3. Step 3: Cross multiply
   3,688.81x = 5,090.56 × 2,032.81
4. Step 4: Simplify right side
   3,688.81x = 10,348,141.27
5. Step 5: Solve for x
   x = 10,348,141.27/3,688.81
6. Step 6: Final answer
   x = 2,805.28