Finding the Fourth Proportional to 12,447.34, 17,176.35 and 7,141.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,447.34 : 17,176.35 = 7,141.03 : x
2. Step 2: Convert to fraction form
   12,447.34/17,176.35 = 7,141.03/x
3. Step 3: Cross multiply
   12,447.34x = 17,176.35 × 7,141.03
4. Step 4: Simplify right side
   12,447.34x = 122,656,814.48
5. Step 5: Solve for x
   x = 122,656,814.48/12,447.34
6. Step 6: Final answer
   x = 9,854.06