Finding the Fourth Proportional to 5,436.08, 7,501.82 and 3,078.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,436.08 : 7,501.82 = 3,078.69 : x
2. Step 2: Convert to fraction form
   5,436.08/7,501.82 = 3,078.69/x
3. Step 3: Cross multiply
   5,436.08x = 7,501.82 × 3,078.69
4. Step 4: Simplify right side
   5,436.08x = 23,095,778.22
5. Step 5: Solve for x
   x = 23,095,778.22/5,436.08
6. Step 6: Final answer
   x = 4,248.61