Finding the Fourth Proportional to 2,108.25, 2,909.82 and 1,400.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.25 : 2,909.82 = 1,400.13 : x
2. Step 2: Convert to fraction form
   2,108.25/2,909.82 = 1,400.13/x
3. Step 3: Cross multiply
   2,108.25x = 2,909.82 × 1,400.13
4. Step 4: Simplify right side
   2,108.25x = 4,074,111.73
5. Step 5: Solve for x
   x = 4,074,111.73/2,108.25
6. Step 6: Final answer
   x = 1,932.47