Finding the Fourth Proportional to 12,719.08, 17,551.71 and 7,054.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,719.08 : 17,551.71 = 7,054.05 : x
2. Step 2: Convert to fraction form
   12,719.08/17,551.71 = 7,054.05/x
3. Step 3: Cross multiply
   12,719.08x = 17,551.71 × 7,054.05
4. Step 4: Simplify right side
   12,719.08x = 123,810,639.93
5. Step 5: Solve for x
   x = 123,810,639.93/12,719.08
6. Step 6: Final answer
   x = 9,734.25