Finding the Fourth Proportional to 5,003.79, 7,502.41 and 2,662.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,003.79 : 7,502.41 = 2,662.30 : x
2. Step 2: Convert to fraction form
   5,003.79/7,502.41 = 2,662.30/x
3. Step 3: Cross multiply
   5,003.79x = 7,502.41 × 2,662.30
4. Step 4: Simplify right side
   5,003.79x = 19,973,666.14
5. Step 5: Solve for x
   x = 19,973,666.14/5,003.79
6. Step 6: Final answer
   x = 3,991.71