Finding the Fourth Proportional to 5,915.92, 8,111.03 and 5,810.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,915.92 : 8,111.03 = 5,810.56 : x
2. Step 2: Convert to fraction form
   5,915.92/8,111.03 = 5,810.56/x
3. Step 3: Cross multiply
   5,915.92x = 8,111.03 × 5,810.56
4. Step 4: Simplify right side
   5,915.92x = 47,129,626.48
5. Step 5: Solve for x
   x = 47,129,626.48/5,915.92
6. Step 6: Final answer
   x = 7,966.58