Finding the Fourth Proportional to 1,895.42, 2,615.28 and 1,109.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,895.42 : 2,615.28 = 1,109.31 : x
2. Step 2: Convert to fraction form
   1,895.42/2,615.28 = 1,109.31/x
3. Step 3: Cross multiply
   1,895.42x = 2,615.28 × 1,109.31
4. Step 4: Simplify right side
   1,895.42x = 2,901,156.26
5. Step 5: Solve for x
   x = 2,901,156.26/1,895.42
6. Step 6: Final answer
   x = 1,530.61