Finding the Fourth Proportional to 10,807.77, 16,209.15 and 4,141.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,807.77 : 16,209.15 = 4,141.92 : x
2. Step 2: Convert to fraction form
   10,807.77/16,209.15 = 4,141.92/x
3. Step 3: Cross multiply
   10,807.77x = 16,209.15 × 4,141.92
4. Step 4: Simplify right side
   10,807.77x = 67,137,047.82
5. Step 5: Solve for x
   x = 67,137,047.82/10,807.77
6. Step 6: Final answer
   x = 6,211.92