Finding the Fourth Proportional to 2,945.67, 4,065.27 and 2,003.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.67 : 4,065.27 = 2,003.55 : x
2. Step 2: Convert to fraction form
   2,945.67/4,065.27 = 2,003.55/x
3. Step 3: Cross multiply
   2,945.67x = 4,065.27 × 2,003.55
4. Step 4: Simplify right side
   2,945.67x = 8,144,971.71
5. Step 5: Solve for x
   x = 8,144,971.71/2,945.67
6. Step 6: Final answer
   x = 2,765.07