Finding the Fourth Proportional to 12,938.82, 17,855.48 and 7,349.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,938.82 : 17,855.48 = 7,349.82 : x
2. Step 2: Convert to fraction form
   12,938.82/17,855.48 = 7,349.82/x
3. Step 3: Cross multiply
   12,938.82x = 17,855.48 × 7,349.82
4. Step 4: Simplify right side
   12,938.82x = 131,234,527.26
5. Step 5: Solve for x
   x = 131,234,527.26/12,938.82
6. Step 6: Final answer
   x = 10,142.70