Finding the Fourth Proportional to 10,289.57, 15,435.59 and 3,624.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,289.57 : 15,435.59 = 3,624.69 : x
2. Step 2: Convert to fraction form
   10,289.57/15,435.59 = 3,624.69/x
3. Step 3: Cross multiply
   10,289.57x = 15,435.59 × 3,624.69
4. Step 4: Simplify right side
   10,289.57x = 55,949,228.72
5. Step 5: Solve for x
   x = 55,949,228.72/10,289.57
6. Step 6: Final answer
   x = 5,437.47