Finding the Fourth Proportional to 9,179.55, 12,668.27 and 5,201.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,179.55 : 12,668.27 = 5,201.43 : x
2. Step 2: Convert to fraction form
   9,179.55/12,668.27 = 5,201.43/x
3. Step 3: Cross multiply
   9,179.55x = 12,668.27 × 5,201.43
4. Step 4: Simplify right side
   9,179.55x = 65,893,164.30
5. Step 5: Solve for x
   x = 65,893,164.30/9,179.55
6. Step 6: Final answer
   x = 7,178.26