Finding the Fourth Proportional to 11,077.94, 15,280.17 and 8,835.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,077.94 : 15,280.17 = 8,835.86 : x
2. Step 2: Convert to fraction form
   11,077.94/15,280.17 = 8,835.86/x
3. Step 3: Cross multiply
   11,077.94x = 15,280.17 × 8,835.86
4. Step 4: Simplify right side
   11,077.94x = 135,013,442.90
5. Step 5: Solve for x
   x = 135,013,442.90/11,077.94
6. Step 6: Final answer
   x = 12,187.59