Finding the Fourth Proportional to 1,393.47, 1,922.58 and 1,097.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393.47 : 1,922.58 = 1,097.82 : x
2. Step 2: Convert to fraction form
   1,393.47/1,922.58 = 1,097.82/x
3. Step 3: Cross multiply
   1,393.47x = 1,922.58 × 1,097.82
4. Step 4: Simplify right side
   1,393.47x = 2,110,646.78
5. Step 5: Solve for x
   x = 2,110,646.78/1,393.47
6. Step 6: Final answer
   x = 1,514.67