Finding the Fourth Proportional to 11,624.73, 17,439.05 and 3,617.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,624.73 : 17,439.05 = 3,617.61 : x
2. Step 2: Convert to fraction form
   11,624.73/17,439.05 = 3,617.61/x
3. Step 3: Cross multiply
   11,624.73x = 17,439.05 × 3,617.61
4. Step 4: Simplify right side
   11,624.73x = 63,087,681.67
5. Step 5: Solve for x
   x = 63,087,681.67/11,624.73
6. Step 6: Final answer
   x = 5,427.02