Finding the Fourth Proportional to 1,886.56, 2,603.69 and 1,100.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.56 : 2,603.69 = 1,100.86 : x
2. Step 2: Convert to fraction form
   1,886.56/2,603.69 = 1,100.86/x
3. Step 3: Cross multiply
   1,886.56x = 2,603.69 × 1,100.86
4. Step 4: Simplify right side
   1,886.56x = 2,866,298.17
5. Step 5: Solve for x
   x = 2,866,298.17/1,886.56
6. Step 6: Final answer
   x = 1,519.33