Finding the Fourth Proportional to 1,360.56, 1,876.42 and 1,111.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.56 : 1,876.42 = 1,111.44 : x
2. Step 2: Convert to fraction form
   1,360.56/1,876.42 = 1,111.44/x
3. Step 3: Cross multiply
   1,360.56x = 1,876.42 × 1,111.44
4. Step 4: Simplify right side
   1,360.56x = 2,085,528.24
5. Step 5: Solve for x
   x = 2,085,528.24/1,360.56
6. Step 6: Final answer
   x = 1,532.85