Finding the Fourth Proportional to 3,525.64, 5,288.52 and 2,429.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,525.64 : 5,288.52 = 2,429.72 : x
2. Step 2: Convert to fraction form
   3,525.64/5,288.52 = 2,429.72/x
3. Step 3: Cross multiply
   3,525.64x = 5,288.52 × 2,429.72
4. Step 4: Simplify right side
   3,525.64x = 12,849,622.81
5. Step 5: Solve for x
   x = 12,849,622.81/3,525.64
6. Step 6: Final answer
   x = 3,644.62