Finding the Fourth Proportional to 9,182.94, 12,671.42 and 5,203.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,182.94 : 12,671.42 = 5,203.20 : x
2. Step 2: Convert to fraction form
   9,182.94/12,671.42 = 5,203.20/x
3. Step 3: Cross multiply
   9,182.94x = 12,671.42 × 5,203.20
4. Step 4: Simplify right side
   9,182.94x = 65,931,932.54
5. Step 5: Solve for x
   x = 65,931,932.54/9,182.94
6. Step 6: Final answer
   x = 7,179.83