Finding the Fourth Proportional to 12,979.09, 17,912.59 and 7,314.00

Step by Step Solution

1. Step 1: Write the proportion equation
   12,979.09 : 17,912.59 = 7,314.00 : x
2. Step 2: Convert to fraction form
   12,979.09/17,912.59 = 7,314.00/x
3. Step 3: Cross multiply
   12,979.09x = 17,912.59 × 7,314.00
4. Step 4: Simplify right side
   12,979.09x = 131,012,638.94
5. Step 5: Solve for x
   x = 131,012,638.94/12,979.09
6. Step 6: Final answer
   x = 10,094.13