Finding the Fourth Proportional to 3,601.89, 5,402.43 and 1,005.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601.89 : 5,402.43 = 1,005.03 : x
2. Step 2: Convert to fraction form
   3,601.89/5,402.43 = 1,005.03/x
3. Step 3: Cross multiply
   3,601.89x = 5,402.43 × 1,005.03
4. Step 4: Simplify right side
   3,601.89x = 5,429,604.22
5. Step 5: Solve for x
   x = 5,429,604.22/3,601.89
6. Step 6: Final answer
   x = 1,507.43