Finding the Fourth Proportional to 3,162.22, 4,740.18 and 1,776.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,162.22 : 4,740.18 = 1,776.72 : x
2. Step 2: Convert to fraction form
   3,162.22/4,740.18 = 1,776.72/x
3. Step 3: Cross multiply
   3,162.22x = 4,740.18 × 1,776.72
4. Step 4: Simplify right side
   3,162.22x = 8,421,972.61
5. Step 5: Solve for x
   x = 8,421,972.61/3,162.22
6. Step 6: Final answer
   x = 2,663.31