Finding the Fourth Proportional to 1,422.69, 2,135.37 and 875.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.69 : 2,135.37 = 875.94 : x
2. Step 2: Convert to fraction form
   1,422.69/2,135.37 = 875.94/x
3. Step 3: Cross multiply
   1,422.69x = 2,135.37 × 875.94
4. Step 4: Simplify right side
   1,422.69x = 1,870,456.00
5. Step 5: Solve for x
   x = 1,870,456.00/1,422.69
6. Step 6: Final answer
   x = 1,314.73