Finding the Fourth Proportional to 1,404.80, 2,105.13 and 1,251.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.80 : 2,105.13 = 1,251.02 : x
2. Step 2: Convert to fraction form
   1,404.80/2,105.13 = 1,251.02/x
3. Step 3: Cross multiply
   1,404.80x = 2,105.13 × 1,251.02
4. Step 4: Simplify right side
   1,404.80x = 2,633,559.73
5. Step 5: Solve for x
   x = 2,633,559.73/1,404.80
6. Step 6: Final answer
   x = 1,874.69