Finding the Fourth Proportional to 5,287.43, 7,300.02 and 3,300.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,287.43 : 7,300.02 = 3,300.91 : x
2. Step 2: Convert to fraction form
   5,287.43/7,300.02 = 3,300.91/x
3. Step 3: Cross multiply
   5,287.43x = 7,300.02 × 3,300.91
4. Step 4: Simplify right side
   5,287.43x = 24,096,678.96
5. Step 5: Solve for x
   x = 24,096,678.96/5,287.43
6. Step 6: Final answer
   x = 4,557.35