Finding the Fourth Proportional to 1,895.16, 2,615.76 and 1,196.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,895.16 : 2,615.76 = 1,196.40 : x
2. Step 2: Convert to fraction form
   1,895.16/2,615.76 = 1,196.40/x
3. Step 3: Cross multiply
   1,895.16x = 2,615.76 × 1,196.40
4. Step 4: Simplify right side
   1,895.16x = 3,129,495.26
5. Step 5: Solve for x
   x = 3,129,495.26/1,895.16
6. Step 6: Final answer
   x = 1,651.31