Finding the Fourth Proportional to 11,116.48, 16,671.24 and 3,719.21

Step by Step Solution

1. Step 1: Write the proportion equation
   11,116.48 : 16,671.24 = 3,719.21 : x
2. Step 2: Convert to fraction form
   11,116.48/16,671.24 = 3,719.21/x
3. Step 3: Cross multiply
   11,116.48x = 16,671.24 × 3,719.21
4. Step 4: Simplify right side
   11,116.48x = 62,003,759.16
5. Step 5: Solve for x
   x = 62,003,759.16/11,116.48
6. Step 6: Final answer
   x = 5,577.64