Finding the Fourth Proportional to 12,994.02, 17,928 and 7,328.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,994.02 : 17,928 = 7,328.48 : x
2. Step 2: Convert to fraction form
   12,994.02/17,928 = 7,328.48/x
3. Step 3: Cross multiply
   12,994.02x = 17,928 × 7,328.48
4. Step 4: Simplify right side
   12,994.02x = 131,384,899.80
5. Step 5: Solve for x
   x = 131,384,899.80/12,994.02
6. Step 6: Final answer
   x = 10,111.18