Finding the Fourth Proportional to 4,885.52, 7,321.82 and 2,665.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,885.52 : 7,321.82 = 2,665.31 : x
2. Step 2: Convert to fraction form
   4,885.52/7,321.82 = 2,665.31/x
3. Step 3: Cross multiply
   4,885.52x = 7,321.82 × 2,665.31
4. Step 4: Simplify right side
   4,885.52x = 19,514,870.13
5. Step 5: Solve for x
   x = 19,514,870.13/4,885.52
6. Step 6: Final answer
   x = 3,994.43