Finding the Fourth Proportional to 5,499.51, 7,579.40 and 4,005.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,499.51 : 7,579.40 = 4,005.06 : x
2. Step 2: Convert to fraction form
   5,499.51/7,579.40 = 4,005.06/x
3. Step 3: Cross multiply
   5,499.51x = 7,579.40 × 4,005.06
4. Step 4: Simplify right side
   5,499.51x = 30,355,951.76
5. Step 5: Solve for x
   x = 30,355,951.76/5,499.51
6. Step 6: Final answer
   x = 5,519.76