Finding the Fourth Proportional to 5,868.86, 8,099.00 and 3,511.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,868.86 : 8,099.00 = 3,511.55 : x
2. Step 2: Convert to fraction form
   5,868.86/8,099.00 = 3,511.55/x
3. Step 3: Cross multiply
   5,868.86x = 8,099.00 × 3,511.55
4. Step 4: Simplify right side
   5,868.86x = 28,439,985.40
5. Step 5: Solve for x
   x = 28,439,985.40/5,868.86
6. Step 6: Final answer
   x = 4,845.92