Finding the Fourth Proportional to 4,989.41, 7,465.56 and 3,131.83

Step by Step Solution

1. Step 1: Write the proportion equation
   4,989.41 : 7,465.56 = 3,131.83 : x
2. Step 2: Convert to fraction form
   4,989.41/7,465.56 = 3,131.83/x
3. Step 3: Cross multiply
   4,989.41x = 7,465.56 × 3,131.83
4. Step 4: Simplify right side
   4,989.41x = 23,380,827.45
5. Step 5: Solve for x
   x = 23,380,827.45/4,989.41
6. Step 6: Final answer
   x = 4,686.10