Finding the Fourth Proportional to 1,359.61, 1,874.09 and 1,110.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.61 : 1,874.09 = 1,110.49 : x
2. Step 2: Convert to fraction form
   1,359.61/1,874.09 = 1,110.49/x
3. Step 3: Cross multiply
   1,359.61x = 1,874.09 × 1,110.49
4. Step 4: Simplify right side
   1,359.61x = 2,081,156.30
5. Step 5: Solve for x
   x = 2,081,156.30/1,359.61
6. Step 6: Final answer
   x = 1,530.70