Finding the Fourth Proportional to 1,854.81, 2,780.46 and 700.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854.81 : 2,780.46 = 700.29 : x
2. Step 2: Convert to fraction form
   1,854.81/2,780.46 = 700.29/x
3. Step 3: Cross multiply
   1,854.81x = 2,780.46 × 700.29
4. Step 4: Simplify right side
   1,854.81x = 1,947,128.33
5. Step 5: Solve for x
   x = 1,947,128.33/1,854.81
6. Step 6: Final answer
   x = 1,049.77