Finding the Fourth Proportional to 2,957.86, 4,435.65 and 982.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,957.86 : 4,435.65 = 982.87 : x
2. Step 2: Convert to fraction form
   2,957.86/4,435.65 = 982.87/x
3. Step 3: Cross multiply
   2,957.86x = 4,435.65 × 982.87
4. Step 4: Simplify right side
   2,957.86x = 4,359,667.32
5. Step 5: Solve for x
   x = 4,359,667.32/2,957.86
6. Step 6: Final answer
   x = 1,473.93