Finding the Fourth Proportional to 5,436.69, 7,502.72 and 3,079.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,436.69 : 7,502.72 = 3,079.32 : x
2. Step 2: Convert to fraction form
   5,436.69/7,502.72 = 3,079.32/x
3. Step 3: Cross multiply
   5,436.69x = 7,502.72 × 3,079.32
4. Step 4: Simplify right side
   5,436.69x = 23,103,275.75
5. Step 5: Solve for x
   x = 23,103,275.75/5,436.69
6. Step 6: Final answer
   x = 4,249.51