Finding the Fourth Proportional to 4,920.31, 7,377.72 and 1,632.52

Step by Step Solution

1. Step 1: Write the proportion equation
   4,920.31 : 7,377.72 = 1,632.52 : x
2. Step 2: Convert to fraction form
   4,920.31/7,377.72 = 1,632.52/x
3. Step 3: Cross multiply
   4,920.31x = 7,377.72 × 1,632.52
4. Step 4: Simplify right side
   4,920.31x = 12,044,275.45
5. Step 5: Solve for x
   x = 12,044,275.45/4,920.31
6. Step 6: Final answer
   x = 2,447.87