Finding the Fourth Proportional to 2,672.31, 3,687.98 and 1,624.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.31 : 3,687.98 = 1,624.17 : x
2. Step 2: Convert to fraction form
   2,672.31/3,687.98 = 1,624.17/x
3. Step 3: Cross multiply
   2,672.31x = 3,687.98 × 1,624.17
4. Step 4: Simplify right side
   2,672.31x = 5,989,898.36
5. Step 5: Solve for x
   x = 5,989,898.36/2,672.31
6. Step 6: Final answer
   x = 2,241.47