Finding the Fourth Proportional to 5,784.07, 7,982.06 and 3,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,784.07 : 7,982.06 = 3,131.50 : x
2. Step 2: Convert to fraction form
   5,784.07/7,982.06 = 3,131.50/x
3. Step 3: Cross multiply
   5,784.07x = 7,982.06 × 3,131.50
4. Step 4: Simplify right side
   5,784.07x = 24,995,820.89
5. Step 5: Solve for x
   x = 24,995,820.89/5,784.07
6. Step 6: Final answer
   x = 4,321.49