Finding the Fourth Proportional to 2,520.48, 3,479.86 and 1,624.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.48 : 3,479.86 = 1,624.56 : x
2. Step 2: Convert to fraction form
   2,520.48/3,479.86 = 1,624.56/x
3. Step 3: Cross multiply
   2,520.48x = 3,479.86 × 1,624.56
4. Step 4: Simplify right side
   2,520.48x = 5,653,230.34
5. Step 5: Solve for x
   x = 5,653,230.34/2,520.48
6. Step 6: Final answer
   x = 2,242.91