Finding the Fourth Proportional to 1,555.83, 2,146.58 and 926.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555.83 : 2,146.58 = 926.04 : x
2. Step 2: Convert to fraction form
   1,555.83/2,146.58 = 926.04/x
3. Step 3: Cross multiply
   1,555.83x = 2,146.58 × 926.04
4. Step 4: Simplify right side
   1,555.83x = 1,987,815.89
5. Step 5: Solve for x
   x = 1,987,815.89/1,555.83
6. Step 6: Final answer
   x = 1,277.66