Finding the Fourth Proportional to 11,499.84, 17,249.58 and 3,179.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,499.84 : 17,249.58 = 3,179.88 : x
2. Step 2: Convert to fraction form
   11,499.84/17,249.58 = 3,179.88/x
3. Step 3: Cross multiply
   11,499.84x = 17,249.58 × 3,179.88
4. Step 4: Simplify right side
   11,499.84x = 54,851,594.45
5. Step 5: Solve for x
   x = 54,851,594.45/11,499.84
6. Step 6: Final answer
   x = 4,769.77