Finding the Fourth Proportional to 2,153.31, 2,972.46 and 1,523.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153.31 : 2,972.46 = 1,523.94 : x
2. Step 2: Convert to fraction form
   2,153.31/2,972.46 = 1,523.94/x
3. Step 3: Cross multiply
   2,153.31x = 2,972.46 × 1,523.94
4. Step 4: Simplify right side
   2,153.31x = 4,529,850.69
5. Step 5: Solve for x
   x = 4,529,850.69/2,153.31
6. Step 6: Final answer
   x = 2,103.67