Finding the Fourth Proportional to 9,179.46, 12,667.86 and 5,201.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,179.46 : 12,667.86 = 5,201.42 : x
2. Step 2: Convert to fraction form
   9,179.46/12,667.86 = 5,201.42/x
3. Step 3: Cross multiply
   9,179.46x = 12,667.86 × 5,201.42
4. Step 4: Simplify right side
   9,179.46x = 65,890,797.02
5. Step 5: Solve for x
   x = 65,890,797.02/9,179.46
6. Step 6: Final answer
   x = 7,178.07