Finding the Fourth Proportional to 12,994.29, 17,931.85 and 7,329.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,994.29 : 17,931.85 = 7,329.56 : x
2. Step 2: Convert to fraction form
   12,994.29/17,931.85 = 7,329.56/x
3. Step 3: Cross multiply
   12,994.29x = 17,931.85 × 7,329.56
4. Step 4: Simplify right side
   12,994.29x = 131,432,462.50
5. Step 5: Solve for x
   x = 131,432,462.50/12,994.29
6. Step 6: Final answer
   x = 10,114.63