Finding the Fourth Proportional to 1,002.98, 1,384.19 and 583.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.98 : 1,384.19 = 583.37 : x
2. Step 2: Convert to fraction form
   1,002.98/1,384.19 = 583.37/x
3. Step 3: Cross multiply
   1,002.98x = 1,384.19 × 583.37
4. Step 4: Simplify right side
   1,002.98x = 807,492.46
5. Step 5: Solve for x
   x = 807,492.46/1,002.98
6. Step 6: Final answer
   x = 805.09