Finding the Fourth Proportional to 4,932.48, 7,405.47 and 3,180.09

Step by Step Solution

1. Step 1: Write the proportion equation
   4,932.48 : 7,405.47 = 3,180.09 : x
2. Step 2: Convert to fraction form
   4,932.48/7,405.47 = 3,180.09/x
3. Step 3: Cross multiply
   4,932.48x = 7,405.47 × 3,180.09
4. Step 4: Simplify right side
   4,932.48x = 23,550,061.09
5. Step 5: Solve for x
   x = 23,550,061.09/4,932.48
6. Step 6: Final answer
   x = 4,774.49