Finding the Fourth Proportional to 12,994.48, 17,932.35 and 7,329.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,994.48 : 17,932.35 = 7,329.21 : x
2. Step 2: Convert to fraction form
   12,994.48/17,932.35 = 7,329.21/x
3. Step 3: Cross multiply
   12,994.48x = 17,932.35 × 7,329.21
4. Step 4: Simplify right side
   12,994.48x = 131,429,887.60
5. Step 5: Solve for x
   x = 131,429,887.60/12,994.48
6. Step 6: Final answer
   x = 10,114.29