Finding the Fourth Proportional to 5,699.16, 7,866.72 and 3,606.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,699.16 : 7,866.72 = 3,606.12 : x
2. Step 2: Convert to fraction form
   5,699.16/7,866.72 = 3,606.12/x
3. Step 3: Cross multiply
   5,699.16x = 7,866.72 × 3,606.12
4. Step 4: Simplify right side
   5,699.16x = 28,368,336.33
5. Step 5: Solve for x
   x = 28,368,336.33/5,699.16
6. Step 6: Final answer
   x = 4,977.63