Finding the Fourth Proportional to 2,672.31, 3,687.81 and 1,477.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.31 : 3,687.81 = 1,477.47 : x
2. Step 2: Convert to fraction form
   2,672.31/3,687.81 = 1,477.47/x
3. Step 3: Cross multiply
   2,672.31x = 3,687.81 × 1,477.47
4. Step 4: Simplify right side
   2,672.31x = 5,448,628.64
5. Step 5: Solve for x
   x = 5,448,628.64/2,672.31
6. Step 6: Final answer
   x = 2,038.92