Finding the Fourth Proportional to 8,087.12, 11,152.84 and 5,099.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,087.12 : 11,152.84 = 5,099.60 : x
2. Step 2: Convert to fraction form
   8,087.12/11,152.84 = 5,099.60/x
3. Step 3: Cross multiply
   8,087.12x = 11,152.84 × 5,099.60
4. Step 4: Simplify right side
   8,087.12x = 56,875,022.86
5. Step 5: Solve for x
   x = 56,875,022.86/8,087.12
6. Step 6: Final answer
   x = 7,032.79