Finding the Fourth Proportional to 3,343.12, 5,015.64 and 1,003.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,343.12 : 5,015.64 = 1,003.30 : x
2. Step 2: Convert to fraction form
   3,343.12/5,015.64 = 1,003.30/x
3. Step 3: Cross multiply
   3,343.12x = 5,015.64 × 1,003.30
4. Step 4: Simplify right side
   3,343.12x = 5,032,191.61
5. Step 5: Solve for x
   x = 5,032,191.61/3,343.12
6. Step 6: Final answer
   x = 1,505.24