Finding the Fourth Proportional to 1,111.60, 1,540.49 and 1,095.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.60 : 1,540.49 = 1,095.94 : x
2. Step 2: Convert to fraction form
   1,111.60/1,540.49 = 1,095.94/x
3. Step 3: Cross multiply
   1,111.60x = 1,540.49 × 1,095.94
4. Step 4: Simplify right side
   1,111.60x = 1,688,284.61
5. Step 5: Solve for x
   x = 1,688,284.61/1,111.60
6. Step 6: Final answer
   x = 1,518.79