Finding the Fourth Proportional to 2,472.48, 3,412.89 and 1,529

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.48 : 3,412.89 = 1,529 : x
2. Step 2: Convert to fraction form
   2,472.48/3,412.89 = 1,529/x
3. Step 3: Cross multiply
   2,472.48x = 3,412.89 × 1,529
4. Step 4: Simplify right side
   2,472.48x = 5,218,308.81
5. Step 5: Solve for x
   x = 5,218,308.81/2,472.48
6. Step 6: Final answer
   x = 2,110.56