Finding the Fourth Proportional to 3,735.12, 5,124.18 and 3,499.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,735.12 : 5,124.18 = 3,499.60 : x
2. Step 2: Convert to fraction form
   3,735.12/5,124.18 = 3,499.60/x
3. Step 3: Cross multiply
   3,735.12x = 5,124.18 × 3,499.60
4. Step 4: Simplify right side
   3,735.12x = 17,932,580.33
5. Step 5: Solve for x
   x = 17,932,580.33/3,735.12
6. Step 6: Final answer
   x = 4,801.07