Finding the Fourth Proportional to 11,874.50, 17,811.78 and 4,949

Step by Step Solution

1. Step 1: Write the proportion equation
   11,874.50 : 17,811.78 = 4,949 : x
2. Step 2: Convert to fraction form
   11,874.50/17,811.78 = 4,949/x
3. Step 3: Cross multiply
   11,874.50x = 17,811.78 × 4,949
4. Step 4: Simplify right side
   11,874.50x = 88,150,499.22
5. Step 5: Solve for x
   x = 88,150,499.22/11,874.50
6. Step 6: Final answer
   x = 7,423.51