Finding the Fourth Proportional to 1,915.34, 2,643.21 and 1,496.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915.34 : 2,643.21 = 1,496.16 : x
2. Step 2: Convert to fraction form
   1,915.34/2,643.21 = 1,496.16/x
3. Step 3: Cross multiply
   1,915.34x = 2,643.21 × 1,496.16
4. Step 4: Simplify right side
   1,915.34x = 3,954,665.07
5. Step 5: Solve for x
   x = 3,954,665.07/1,915.34
6. Step 6: Final answer
   x = 2,064.74