Finding the Fourth Proportional to 1,453.88, 2,182.86 and 1,387.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,453.88 : 2,182.86 = 1,387.82 : x
2. Step 2: Convert to fraction form
   1,453.88/2,182.86 = 1,387.82/x
3. Step 3: Cross multiply
   1,453.88x = 2,182.86 × 1,387.82
4. Step 4: Simplify right side
   1,453.88x = 3,029,422.22
5. Step 5: Solve for x
   x = 3,029,422.22/1,453.88
6. Step 6: Final answer
   x = 2,083.68