Finding the Fourth Proportional to 1,144.08, 1,719.32 and 681.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144.08 : 1,719.32 = 681.93 : x
2. Step 2: Convert to fraction form
   1,144.08/1,719.32 = 681.93/x
3. Step 3: Cross multiply
   1,144.08x = 1,719.32 × 681.93
4. Step 4: Simplify right side
   1,144.08x = 1,172,455.89
5. Step 5: Solve for x
   x = 1,172,455.89/1,144.08
6. Step 6: Final answer
   x = 1,024.80