Finding the Fourth Proportional to 8,483.56, 12,729.20 and 2,940.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,483.56 : 12,729.20 = 2,940.93 : x
2. Step 2: Convert to fraction form
   8,483.56/12,729.20 = 2,940.93/x
3. Step 3: Cross multiply
   8,483.56x = 12,729.20 × 2,940.93
4. Step 4: Simplify right side
   8,483.56x = 37,435,671.45
5. Step 5: Solve for x
   x = 37,435,671.45/8,483.56
6. Step 6: Final answer
   x = 4,412.73