Finding the Fourth Proportional to 7,148.88, 10,711.47 and 5,058.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,148.88 : 10,711.47 = 5,058.52 : x
2. Step 2: Convert to fraction form
   7,148.88/10,711.47 = 5,058.52/x
3. Step 3: Cross multiply
   7,148.88x = 10,711.47 × 5,058.52
4. Step 4: Simplify right side
   7,148.88x = 54,184,185.22
5. Step 5: Solve for x
   x = 54,184,185.22/7,148.88
6. Step 6: Final answer
   x = 7,579.39