Finding the Fourth Proportional to 3,003.32, 4,505.24 and 782.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,003.32 : 4,505.24 = 782.15 : x
2. Step 2: Convert to fraction form
   3,003.32/4,505.24 = 782.15/x
3. Step 3: Cross multiply
   3,003.32x = 4,505.24 × 782.15
4. Step 4: Simplify right side
   3,003.32x = 3,523,747.03
5. Step 5: Solve for x
   x = 3,523,747.03/3,003.32
6. Step 6: Final answer
   x = 1,173.29