Finding the Fourth Proportional to 3,442.32, 4,747.98 and 2,116.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,442.32 : 4,747.98 = 2,116.76 : x
2. Step 2: Convert to fraction form
   3,442.32/4,747.98 = 2,116.76/x
3. Step 3: Cross multiply
   3,442.32x = 4,747.98 × 2,116.76
4. Step 4: Simplify right side
   3,442.32x = 10,050,318.34
5. Step 5: Solve for x
   x = 10,050,318.34/3,442.32
6. Step 6: Final answer
   x = 2,919.64