Finding the Fourth Proportional to 1,915.45, 2,644.59 and 1,472.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915.45 : 2,644.59 = 1,472.56 : x
2. Step 2: Convert to fraction form
   1,915.45/2,644.59 = 1,472.56/x
3. Step 3: Cross multiply
   1,915.45x = 2,644.59 × 1,472.56
4. Step 4: Simplify right side
   1,915.45x = 3,894,317.45
5. Step 5: Solve for x
   x = 3,894,317.45/1,915.45
6. Step 6: Final answer
   x = 2,033.11