Finding the Fourth Proportional to 7,458.72, 10,287.86 and 5,067.36

Step by Step Solution

1. Step 1: Write the proportion equation
   7,458.72 : 10,287.86 = 5,067.36 : x
2. Step 2: Convert to fraction form
   7,458.72/10,287.86 = 5,067.36/x
3. Step 3: Cross multiply
   7,458.72x = 10,287.86 × 5,067.36
4. Step 4: Simplify right side
   7,458.72x = 52,132,264.91
5. Step 5: Solve for x
   x = 52,132,264.91/7,458.72
6. Step 6: Final answer
   x = 6,989.44