Finding the Fourth Proportional to 5,784.70, 7,982.86 and 3,132.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,784.70 : 7,982.86 = 3,132.12 : x
2. Step 2: Convert to fraction form
   5,784.70/7,982.86 = 3,132.12/x
3. Step 3: Cross multiply
   5,784.70x = 7,982.86 × 3,132.12
4. Step 4: Simplify right side
   5,784.70x = 25,003,275.46
5. Step 5: Solve for x
   x = 25,003,275.46/5,784.70
6. Step 6: Final answer
   x = 4,322.31