Finding the Fourth Proportional to 1,903.83, 2,855.70 and 1,026.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,903.83 : 2,855.70 = 1,026.72 : x
2. Step 2: Convert to fraction form
   1,903.83/2,855.70 = 1,026.72/x
3. Step 3: Cross multiply
   1,903.83x = 2,855.70 × 1,026.72
4. Step 4: Simplify right side
   1,903.83x = 2,932,004.30
5. Step 5: Solve for x
   x = 2,932,004.30/1,903.83
6. Step 6: Final answer
   x = 1,540.06