Finding the Fourth Proportional to 11,275.83, 16,915.37 and 3,485.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,275.83 : 16,915.37 = 3,485.25 : x
2. Step 2: Convert to fraction form
   11,275.83/16,915.37 = 3,485.25/x
3. Step 3: Cross multiply
   11,275.83x = 16,915.37 × 3,485.25
4. Step 4: Simplify right side
   11,275.83x = 58,954,275.87
5. Step 5: Solve for x
   x = 58,954,275.87/11,275.83
6. Step 6: Final answer
   x = 5,228.38