Finding the Fourth Proportional to 1,655.48, 2,483.52 and 681.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,655.48 : 2,483.52 = 681.05 : x
2. Step 2: Convert to fraction form
   1,655.48/2,483.52 = 681.05/x
3. Step 3: Cross multiply
   1,655.48x = 2,483.52 × 681.05
4. Step 4: Simplify right side
   1,655.48x = 1,691,385.47
5. Step 5: Solve for x
   x = 1,691,385.47/1,655.48
6. Step 6: Final answer
   x = 1,021.69