Finding the Fourth Proportional to 2,384.21, 3,576.41 and 740.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.21 : 3,576.41 = 740.72 : x
2. Step 2: Convert to fraction form
   2,384.21/3,576.41 = 740.72/x
3. Step 3: Cross multiply
   2,384.21x = 3,576.41 × 740.72
4. Step 4: Simplify right side
   2,384.21x = 2,649,118.42
5. Step 5: Solve for x
   x = 2,649,118.42/2,384.21
6. Step 6: Final answer
   x = 1,111.11