Finding the Fourth Proportional to 11,776.50, 16,250.85 and 6,470.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,776.50 : 16,250.85 = 6,470.82 : x
2. Step 2: Convert to fraction form
   11,776.50/16,250.85 = 6,470.82/x
3. Step 3: Cross multiply
   11,776.50x = 16,250.85 × 6,470.82
4. Step 4: Simplify right side
   11,776.50x = 105,156,325.20
5. Step 5: Solve for x
   x = 105,156,325.20/11,776.50
6. Step 6: Final answer
   x = 8,929.34