Finding the Fourth Proportional to 7,003.56, 9,666.81 and 4,020.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.56 : 9,666.81 = 4,020.96 : x
2. Step 2: Convert to fraction form
   7,003.56/9,666.81 = 4,020.96/x
3. Step 3: Cross multiply
   7,003.56x = 9,666.81 × 4,020.96
4. Step 4: Simplify right side
   7,003.56x = 38,869,856.34
5. Step 5: Solve for x
   x = 38,869,856.34/7,003.56
6. Step 6: Final answer
   x = 5,550.01