Finding the Fourth Proportional to 2,401.55, 3,600.89 and 938.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.55 : 3,600.89 = 938.96 : x
2. Step 2: Convert to fraction form
   2,401.55/3,600.89 = 938.96/x
3. Step 3: Cross multiply
   2,401.55x = 3,600.89 × 938.96
4. Step 4: Simplify right side
   2,401.55x = 3,381,086.98
5. Step 5: Solve for x
   x = 3,381,086.98/2,401.55
6. Step 6: Final answer
   x = 1,407.88