Finding the Fourth Proportional to 1,002.83, 1,383.51 and 610.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.83 : 1,383.51 = 610.08 : x
2. Step 2: Convert to fraction form
   1,002.83/1,383.51 = 610.08/x
3. Step 3: Cross multiply
   1,002.83x = 1,383.51 × 610.08
4. Step 4: Simplify right side
   1,002.83x = 844,051.52
5. Step 5: Solve for x
   x = 844,051.52/1,002.83
6. Step 6: Final answer
   x = 841.67