Finding the Fourth Proportional to 1,830.45, 2,746.38 and 1,100.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,830.45 : 2,746.38 = 1,100.55 : x
2. Step 2: Convert to fraction form
   1,830.45/2,746.38 = 1,100.55/x
3. Step 3: Cross multiply
   1,830.45x = 2,746.38 × 1,100.55
4. Step 4: Simplify right side
   1,830.45x = 3,022,528.51
5. Step 5: Solve for x
   x = 3,022,528.51/1,830.45
6. Step 6: Final answer
   x = 1,651.25