Finding the Fourth Proportional to 12,719.40, 17,552.82 and 7,054.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,719.40 : 17,552.82 = 7,054.67 : x
2. Step 2: Convert to fraction form
   12,719.40/17,552.82 = 7,054.67/x
3. Step 3: Cross multiply
   12,719.40x = 17,552.82 × 7,054.67
4. Step 4: Simplify right side
   12,719.40x = 123,829,317.40
5. Step 5: Solve for x
   x = 123,829,317.40/12,719.40
6. Step 6: Final answer
   x = 9,735.47