Finding the Fourth Proportional to 5,005.51, 7,506.03 and 2,665.01

Step by Step Solution

1. Step 1: Write the proportion equation
   5,005.51 : 7,506.03 = 2,665.01 : x
2. Step 2: Convert to fraction form
   5,005.51/7,506.03 = 2,665.01/x
3. Step 3: Cross multiply
   5,005.51x = 7,506.03 × 2,665.01
4. Step 4: Simplify right side
   5,005.51x = 20,003,645.01
5. Step 5: Solve for x
   x = 20,003,645.01/5,005.51
6. Step 6: Final answer
   x = 3,996.33