Finding the Fourth Proportional to 2,566.76, 3,847.58 and 1,105

Step by Step Solution

1. Step 1: Write the proportion equation
   2,566.76 : 3,847.58 = 1,105 : x
2. Step 2: Convert to fraction form
   2,566.76/3,847.58 = 1,105/x
3. Step 3: Cross multiply
   2,566.76x = 3,847.58 × 1,105
4. Step 4: Simplify right side
   2,566.76x = 4,251,575.90
5. Step 5: Solve for x
   x = 4,251,575.90/2,566.76
6. Step 6: Final answer
   x = 1,656.40