Finding the Fourth Proportional to 3,538.08, 5,268.63 and 3,499.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,538.08 : 5,268.63 = 3,499.32 : x
2. Step 2: Convert to fraction form
   3,538.08/5,268.63 = 3,499.32/x
3. Step 3: Cross multiply
   3,538.08x = 5,268.63 × 3,499.32
4. Step 4: Simplify right side
   3,538.08x = 18,436,622.33
5. Step 5: Solve for x
   x = 18,436,622.33/3,538.08
6. Step 6: Final answer
   x = 5,210.91