Finding the Fourth Proportional to 1,956.69, 2,915.98 and 1,897.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,956.69 : 2,915.98 = 1,897.36 : x
2. Step 2: Convert to fraction form
   1,956.69/2,915.98 = 1,897.36/x
3. Step 3: Cross multiply
   1,956.69x = 2,915.98 × 1,897.36
4. Step 4: Simplify right side
   1,956.69x = 5,532,651.78
5. Step 5: Solve for x
   x = 5,532,651.78/1,956.69
6. Step 6: Final answer
   x = 2,827.56