Finding the Fourth Proportional to 12,314.79, 16,993.71 and 7,279.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,314.79 : 16,993.71 = 7,279.48 : x
2. Step 2: Convert to fraction form
   12,314.79/16,993.71 = 7,279.48/x
3. Step 3: Cross multiply
   12,314.79x = 16,993.71 × 7,279.48
4. Step 4: Simplify right side
   12,314.79x = 123,705,287.10
5. Step 5: Solve for x
   x = 123,705,287.10/12,314.79
6. Step 6: Final answer
   x = 10,045.26