Finding the Fourth Proportional to 1,003.01, 1,384.02 and 583.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003.01 : 1,384.02 = 583.49 : x
2. Step 2: Convert to fraction form
   1,003.01/1,384.02 = 583.49/x
3. Step 3: Cross multiply
   1,003.01x = 1,384.02 × 583.49
4. Step 4: Simplify right side
   1,003.01x = 807,565.29
5. Step 5: Solve for x
   x = 807,565.29/1,003.01
6. Step 6: Final answer
   x = 805.15