Finding the Fourth Proportional to 5,435.62, 8,151.72 and 2,315.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,435.62 : 8,151.72 = 2,315.56 : x
2. Step 2: Convert to fraction form
   5,435.62/8,151.72 = 2,315.56/x
3. Step 3: Cross multiply
   5,435.62x = 8,151.72 × 2,315.56
4. Step 4: Simplify right side
   5,435.62x = 18,875,796.76
5. Step 5: Solve for x
   x = 18,875,796.76/5,435.62
6. Step 6: Final answer
   x = 3,472.61