Finding the Fourth Proportional to 11,144.61, 16,719.82 and 4,905.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,144.61 : 16,719.82 = 4,905.86 : x
2. Step 2: Convert to fraction form
   11,144.61/16,719.82 = 4,905.86/x
3. Step 3: Cross multiply
   11,144.61x = 16,719.82 × 4,905.86
4. Step 4: Simplify right side
   11,144.61x = 82,025,000.28
5. Step 5: Solve for x
   x = 82,025,000.28/11,144.61
6. Step 6: Final answer
   x = 7,360.06