Finding the Fourth Proportional to 5,435.37, 8,151.33 and 2,315.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,435.37 : 8,151.33 = 2,315.34 : x
2. Step 2: Convert to fraction form
   5,435.37/8,151.33 = 2,315.34/x
3. Step 3: Cross multiply
   5,435.37x = 8,151.33 × 2,315.34
4. Step 4: Simplify right side
   5,435.37x = 18,873,100.40
5. Step 5: Solve for x
   x = 18,873,100.40/5,435.37
6. Step 6: Final answer
   x = 3,472.28