Finding the Fourth Proportional to 2,401.23, 3,287.29 and 2,385.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.23 : 3,287.29 = 2,385.03 : x
2. Step 2: Convert to fraction form
   2,401.23/3,287.29 = 2,385.03/x
3. Step 3: Cross multiply
   2,401.23x = 3,287.29 × 2,385.03
4. Step 4: Simplify right side
   2,401.23x = 7,840,279.31
5. Step 5: Solve for x
   x = 7,840,279.31/2,401.23
6. Step 6: Final answer
   x = 3,265.11