Finding the Fourth Proportional to 7,189.47, 10,719.71 and 7,058.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,189.47 : 10,719.71 = 7,058.25 : x
2. Step 2: Convert to fraction form
   7,189.47/10,719.71 = 7,058.25/x
3. Step 3: Cross multiply
   7,189.47x = 10,719.71 × 7,058.25
4. Step 4: Simplify right side
   7,189.47x = 75,662,357.82
5. Step 5: Solve for x
   x = 75,662,357.82/7,189.47
6. Step 6: Final answer
   x = 10,524.05