Finding the Fourth Proportional to 1,916.72, 2,872.48 and 1,453.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916.72 : 2,872.48 = 1,453.04 : x
2. Step 2: Convert to fraction form
   1,916.72/2,872.48 = 1,453.04/x
3. Step 3: Cross multiply
   1,916.72x = 2,872.48 × 1,453.04
4. Step 4: Simplify right side
   1,916.72x = 4,173,828.34
5. Step 5: Solve for x
   x = 4,173,828.34/1,916.72
6. Step 6: Final answer
   x = 2,177.59