Finding the Fourth Proportional to 5,436.72, 8,156.16 and 2,316.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,436.72 : 8,156.16 = 2,316.69 : x
2. Step 2: Convert to fraction form
   5,436.72/8,156.16 = 2,316.69/x
3. Step 3: Cross multiply
   5,436.72x = 8,156.16 × 2,316.69
4. Step 4: Simplify right side
   5,436.72x = 18,895,294.31
5. Step 5: Solve for x
   x = 18,895,294.31/5,436.72
6. Step 6: Final answer
   x = 3,475.50