Finding the Fourth Proportional to 3,468.72, 5,200.20 and 1,521.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,468.72 : 5,200.20 = 1,521.84 : x
2. Step 2: Convert to fraction form
   3,468.72/5,200.20 = 1,521.84/x
3. Step 3: Cross multiply
   3,468.72x = 5,200.20 × 1,521.84
4. Step 4: Simplify right side
   3,468.72x = 7,913,872.37
5. Step 5: Solve for x
   x = 7,913,872.37/3,468.72
6. Step 6: Final answer
   x = 2,281.50