Finding the Fourth Proportional to 12,941.12, 17,858.76 and 7,353.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,941.12 : 17,858.76 = 7,353.20 : x
2. Step 2: Convert to fraction form
   12,941.12/17,858.76 = 7,353.20/x
3. Step 3: Cross multiply
   12,941.12x = 17,858.76 × 7,353.20
4. Step 4: Simplify right side
   12,941.12x = 131,319,034.03
5. Step 5: Solve for x
   x = 131,319,034.03/12,941.12
6. Step 6: Final answer
   x = 10,147.42