Finding the Fourth Proportional to 55,002.75, 82,516.12 and 31,321.49

Step by Step Solution

1. Step 1: Write the proportion equation
   55,002.75 : 82,516.12 = 31,321.49 : x
2. Step 2: Convert to fraction form
   55,002.75/82,516.12 = 31,321.49/x
3. Step 3: Cross multiply
   55,002.75x = 82,516.12 × 31,321.49
4. Step 4: Simplify right side
   55,002.75x = 2,584,527,336.53
5. Step 5: Solve for x
   x = 2,584,527,336.53/55,002.75
6. Step 6: Final answer
   x = 46,989.06