Finding the Fourth Proportional to 1,895.22, 2,615.42 and 1,109.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,895.22 : 2,615.42 = 1,109.28 : x
2. Step 2: Convert to fraction form
   1,895.22/2,615.42 = 1,109.28/x
3. Step 3: Cross multiply
   1,895.22x = 2,615.42 × 1,109.28
4. Step 4: Simplify right side
   1,895.22x = 2,901,233.10
5. Step 5: Solve for x
   x = 2,901,233.10/1,895.22
6. Step 6: Final answer
   x = 1,530.82