Finding the Fourth Proportional to 1,693.76, 2,542.46 and 1,422.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.76 : 2,542.46 = 1,422.82 : x
2. Step 2: Convert to fraction form
   1,693.76/2,542.46 = 1,422.82/x
3. Step 3: Cross multiply
   1,693.76x = 2,542.46 × 1,422.82
4. Step 4: Simplify right side
   1,693.76x = 3,617,462.94
5. Step 5: Solve for x
   x = 3,617,462.94/1,693.76
6. Step 6: Final answer
   x = 2,135.76