Finding the Fourth Proportional to 3,686.31, 5,087.61 and 2,359.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686.31 : 5,087.61 = 2,359.53 : x
2. Step 2: Convert to fraction form
   3,686.31/5,087.61 = 2,359.53/x
3. Step 3: Cross multiply
   3,686.31x = 5,087.61 × 2,359.53
4. Step 4: Simplify right side
   3,686.31x = 12,004,368.42
5. Step 5: Solve for x
   x = 12,004,368.42/3,686.31
6. Step 6: Final answer
   x = 3,256.47