Finding the Fourth Proportional to 2,932.80, 4,397.64 and 1,083.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,932.80 : 4,397.64 = 1,083.57 : x
2. Step 2: Convert to fraction form
   2,932.80/4,397.64 = 1,083.57/x
3. Step 3: Cross multiply
   2,932.80x = 4,397.64 × 1,083.57
4. Step 4: Simplify right side
   2,932.80x = 4,765,150.77
5. Step 5: Solve for x
   x = 4,765,150.77/2,932.80
6. Step 6: Final answer
   x = 1,624.78