Finding the Fourth Proportional to 12,908.56, 17,814.16 and 7,319.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,908.56 : 17,814.16 = 7,319.52 : x
2. Step 2: Convert to fraction form
   12,908.56/17,814.16 = 7,319.52/x
3. Step 3: Cross multiply
   12,908.56x = 17,814.16 × 7,319.52
4. Step 4: Simplify right side
   12,908.56x = 130,391,100.40
5. Step 5: Solve for x
   x = 130,391,100.40/12,908.56
6. Step 6: Final answer
   x = 10,101.13