Finding the Fourth Proportional to 1,916.62, 2,648.52 and 1,632.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916.62 : 2,648.52 = 1,632.88 : x
2. Step 2: Convert to fraction form
   1,916.62/2,648.52 = 1,632.88/x
3. Step 3: Cross multiply
   1,916.62x = 2,648.52 × 1,632.88
4. Step 4: Simplify right side
   1,916.62x = 4,324,715.34
5. Step 5: Solve for x
   x = 4,324,715.34/1,916.62
6. Step 6: Final answer
   x = 2,256.43