Finding the Fourth Proportional to 5,435.94, 7,501.92 and 3,078.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,435.94 : 7,501.92 = 3,078.30 : x
2. Step 2: Convert to fraction form
   5,435.94/7,501.92 = 3,078.30/x
3. Step 3: Cross multiply
   5,435.94x = 7,501.92 × 3,078.30
4. Step 4: Simplify right side
   5,435.94x = 23,093,160.34
5. Step 5: Solve for x
   x = 23,093,160.34/5,435.94
6. Step 6: Final answer
   x = 4,248.24