Finding the Fourth Proportional to 4,932.96, 7,401.16 and 3,081.90

Step by Step Solution

1. Step 1: Write the proportion equation
   4,932.96 : 7,401.16 = 3,081.90 : x
2. Step 2: Convert to fraction form
   4,932.96/7,401.16 = 3,081.90/x
3. Step 3: Cross multiply
   4,932.96x = 7,401.16 × 3,081.90
4. Step 4: Simplify right side
   4,932.96x = 22,809,635.00
5. Step 5: Solve for x
   x = 22,809,635.00/4,932.96
6. Step 6: Final answer
   x = 4,623.92