Finding the Fourth Proportional to 3,533.76, 5,300.69 and 2,874.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,533.76 : 5,300.69 = 2,874.89 : x
2. Step 2: Convert to fraction form
   3,533.76/5,300.69 = 2,874.89/x
3. Step 3: Cross multiply
   3,533.76x = 5,300.69 × 2,874.89
4. Step 4: Simplify right side
   3,533.76x = 15,238,859.80
5. Step 5: Solve for x
   x = 15,238,859.80/3,533.76
6. Step 6: Final answer
   x = 4,312.36