Finding the Fourth Proportional to 5,436.15, 7,501.87 and 3,078.29

Step by Step Solution

1. Step 1: Write the proportion equation
   5,436.15 : 7,501.87 = 3,078.29 : x
2. Step 2: Convert to fraction form
   5,436.15/7,501.87 = 3,078.29/x
3. Step 3: Cross multiply
   5,436.15x = 7,501.87 × 3,078.29
4. Step 4: Simplify right side
   5,436.15x = 23,092,931.40
5. Step 5: Solve for x
   x = 23,092,931.40/5,436.15
6. Step 6: Final answer
   x = 4,248.03