Finding the Fourth Proportional to 1,841.08, 2,540.72 and 1,055.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,841.08 : 2,540.72 = 1,055.40 : x
2. Step 2: Convert to fraction form
   1,841.08/2,540.72 = 1,055.40/x
3. Step 3: Cross multiply
   1,841.08x = 2,540.72 × 1,055.40
4. Step 4: Simplify right side
   1,841.08x = 2,681,475.89
5. Step 5: Solve for x
   x = 2,681,475.89/1,841.08
6. Step 6: Final answer
   x = 1,456.47