Finding the Fourth Proportional to 5,598.96, 8,386.28 and 3,645.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,598.96 : 8,386.28 = 3,645.24 : x
2. Step 2: Convert to fraction form
   5,598.96/8,386.28 = 3,645.24/x
3. Step 3: Cross multiply
   5,598.96x = 8,386.28 × 3,645.24
4. Step 4: Simplify right side
   5,598.96x = 30,570,003.31
5. Step 5: Solve for x
   x = 30,570,003.31/5,598.96
6. Step 6: Final answer
   x = 5,459.94