Finding the Fourth Proportional to 2,903.21, 4,354.67 and 711.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,903.21 : 4,354.67 = 711.82 : x
2. Step 2: Convert to fraction form
   2,903.21/4,354.67 = 711.82/x
3. Step 3: Cross multiply
   2,903.21x = 4,354.67 × 711.82
4. Step 4: Simplify right side
   2,903.21x = 3,099,741.20
5. Step 5: Solve for x
   x = 3,099,741.20/2,903.21
6. Step 6: Final answer
   x = 1,067.69