Finding the Fourth Proportional to 11,485.25, 17,216.94 and 3,688.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,485.25 : 17,216.94 = 3,688.59 : x
2. Step 2: Convert to fraction form
   11,485.25/17,216.94 = 3,688.59/x
3. Step 3: Cross multiply
   11,485.25x = 17,216.94 × 3,688.59
4. Step 4: Simplify right side
   11,485.25x = 63,506,283.45
5. Step 5: Solve for x
   x = 63,506,283.45/11,485.25
6. Step 6: Final answer
   x = 5,529.38