Finding the Fourth Proportional to 11,485.89, 17,228.43 and 3,694.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,485.89 : 17,228.43 = 3,694.50 : x
2. Step 2: Convert to fraction form
   11,485.89/17,228.43 = 3,694.50/x
3. Step 3: Cross multiply
   11,485.89x = 17,228.43 × 3,694.50
4. Step 4: Simplify right side
   11,485.89x = 63,650,434.64
5. Step 5: Solve for x
   x = 63,650,434.64/11,485.89
6. Step 6: Final answer
   x = 5,541.62