Finding the Fourth Proportional to 11,624.89, 17,435.89 and 3,728.29

Step by Step Solution

1. Step 1: Write the proportion equation
   11,624.89 : 17,435.89 = 3,728.29 : x
2. Step 2: Convert to fraction form
   11,624.89/17,435.89 = 3,728.29/x
3. Step 3: Cross multiply
   11,624.89x = 17,435.89 × 3,728.29
4. Step 4: Simplify right side
   11,624.89x = 65,006,054.33
5. Step 5: Solve for x
   x = 65,006,054.33/11,624.89
6. Step 6: Final answer
   x = 5,591.97