Finding the Fourth Proportional to 2,102.12, 2,899.71 and 1,262.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,102.12 : 2,899.71 = 1,262.33 : x
2. Step 2: Convert to fraction form
   2,102.12/2,899.71 = 1,262.33/x
3. Step 3: Cross multiply
   2,102.12x = 2,899.71 × 1,262.33
4. Step 4: Simplify right side
   2,102.12x = 3,660,387.30
5. Step 5: Solve for x
   x = 3,660,387.30/2,102.12
6. Step 6: Final answer
   x = 1,741.28