Finding the Fourth Proportional to 2,390.00, 3,586.38 and 1,003.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.00 : 3,586.38 = 1,003.22 : x
2. Step 2: Convert to fraction form
   2,390.00/3,586.38 = 1,003.22/x
3. Step 3: Cross multiply
   2,390.00x = 3,586.38 × 1,003.22
4. Step 4: Simplify right side
   2,390.00x = 3,597,910.21
5. Step 5: Solve for x
   x = 3,597,910.21/2,390.00
6. Step 6: Final answer
   x = 1,505.40