Finding the Fourth Proportional to 1,793.80, 2,475.50 and 1,085.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,793.80 : 2,475.50 = 1,085.77 : x
2. Step 2: Convert to fraction form
   1,793.80/2,475.50 = 1,085.77/x
3. Step 3: Cross multiply
   1,793.80x = 2,475.50 × 1,085.77
4. Step 4: Simplify right side
   1,793.80x = 2,687,834.37
5. Step 5: Solve for x
   x = 2,687,834.37/1,793.80
6. Step 6: Final answer
   x = 1,498.40