Finding the Fourth Proportional to 1,542.03, 2,128.86 and 982.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,542.03 : 2,128.86 = 982.86 : x
2. Step 2: Convert to fraction form
   1,542.03/2,128.86 = 982.86/x
3. Step 3: Cross multiply
   1,542.03x = 2,128.86 × 982.86
4. Step 4: Simplify right side
   1,542.03x = 2,092,371.34
5. Step 5: Solve for x
   x = 2,092,371.34/1,542.03
6. Step 6: Final answer
   x = 1,356.89