Finding the Fourth Proportional to 3,600.42, 5,400.70 and 1,003.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,600.42 : 5,400.70 = 1,003.32 : x
2. Step 2: Convert to fraction form
   3,600.42/5,400.70 = 1,003.32/x
3. Step 3: Cross multiply
   3,600.42x = 5,400.70 × 1,003.32
4. Step 4: Simplify right side
   3,600.42x = 5,418,630.32
5. Step 5: Solve for x
   x = 5,418,630.32/3,600.42
6. Step 6: Final answer
   x = 1,505.00