Finding the Fourth Proportional to 3,985.16, 5,499.25 and 2,493

Step by Step Solution

1. Step 1: Write the proportion equation
   3,985.16 : 5,499.25 = 2,493 : x
2. Step 2: Convert to fraction form
   3,985.16/5,499.25 = 2,493/x
3. Step 3: Cross multiply
   3,985.16x = 5,499.25 × 2,493
4. Step 4: Simplify right side
   3,985.16x = 13,709,624.02
5. Step 5: Solve for x
   x = 13,709,624.02/3,985.16
6. Step 6: Final answer
   x = 3,440.17