Finding the Fourth Proportional to 5,436.02, 7,501.56 and 3,078.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,436.02 : 7,501.56 = 3,078.38 : x
2. Step 2: Convert to fraction form
   5,436.02/7,501.56 = 3,078.38/x
3. Step 3: Cross multiply
   5,436.02x = 7,501.56 × 3,078.38
4. Step 4: Simplify right side
   5,436.02x = 23,092,652.27
5. Step 5: Solve for x
   x = 23,092,652.27/5,436.02
6. Step 6: Final answer
   x = 4,248.08