Finding the Fourth Proportional to 5,156.92, 7,113.33 and 3,811.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,156.92 : 7,113.33 = 3,811.15 : x
2. Step 2: Convert to fraction form
   5,156.92/7,113.33 = 3,811.15/x
3. Step 3: Cross multiply
   5,156.92x = 7,113.33 × 3,811.15
4. Step 4: Simplify right side
   5,156.92x = 27,109,967.63
5. Step 5: Solve for x
   x = 27,109,967.63/5,156.92
6. Step 6: Final answer
   x = 5,257.01