Finding the Fourth Proportional to 5,436.64, 7,502.33 and 3,078.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,436.64 : 7,502.33 = 3,078.82 : x
2. Step 2: Convert to fraction form
   5,436.64/7,502.33 = 3,078.82/x
3. Step 3: Cross multiply
   5,436.64x = 7,502.33 × 3,078.82
4. Step 4: Simplify right side
   5,436.64x = 23,098,270.74
5. Step 5: Solve for x
   x = 23,098,270.74/5,436.64
6. Step 6: Final answer
   x = 4,248.63