Finding the Fourth Proportional to 3,155.05, 4,347.98 and 2,269.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,155.05 : 4,347.98 = 2,269.32 : x
2. Step 2: Convert to fraction form
   3,155.05/4,347.98 = 2,269.32/x
3. Step 3: Cross multiply
   3,155.05x = 4,347.98 × 2,269.32
4. Step 4: Simplify right side
   3,155.05x = 9,866,938.83
5. Step 5: Solve for x
   x = 9,866,938.83/3,155.05
6. Step 6: Final answer
   x = 3,127.35