Finding the Fourth Proportional to 1,566.03, 2,160.41 and 1,100.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.03 : 2,160.41 = 1,100.55 : x
2. Step 2: Convert to fraction form
   1,566.03/2,160.41 = 1,100.55/x
3. Step 3: Cross multiply
   1,566.03x = 2,160.41 × 1,100.55
4. Step 4: Simplify right side
   1,566.03x = 2,377,633.72
5. Step 5: Solve for x
   x = 2,377,633.72/1,566.03
6. Step 6: Final answer
   x = 1,518.26