Finding the Fourth Proportional to 12,719.41, 17,553.68 and 7,054.70

Step by Step Solution

1. Step 1: Write the proportion equation
   12,719.41 : 17,553.68 = 7,054.70 : x
2. Step 2: Convert to fraction form
   12,719.41/17,553.68 = 7,054.70/x
3. Step 3: Cross multiply
   12,719.41x = 17,553.68 × 7,054.70
4. Step 4: Simplify right side
   12,719.41x = 123,835,946.30
5. Step 5: Solve for x
   x = 123,835,946.30/12,719.41
6. Step 6: Final answer
   x = 9,735.98