Finding the Fourth Proportional to 11,799.98, 17,697.24 and 3,480.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,799.98 : 17,697.24 = 3,480.56 : x
2. Step 2: Convert to fraction form
   11,799.98/17,697.24 = 3,480.56/x
3. Step 3: Cross multiply
   11,799.98x = 17,697.24 × 3,480.56
4. Step 4: Simplify right side
   11,799.98x = 61,596,305.65
5. Step 5: Solve for x
   x = 61,596,305.65/11,799.98
6. Step 6: Final answer
   x = 5,220.03