Finding the Fourth Proportional to 3,985.09, 5,499.17 and 2,492.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,985.09 : 5,499.17 = 2,492.94 : x
2. Step 2: Convert to fraction form
   3,985.09/5,499.17 = 2,492.94/x
3. Step 3: Cross multiply
   3,985.09x = 5,499.17 × 2,492.94
4. Step 4: Simplify right side
   3,985.09x = 13,709,100.86
5. Step 5: Solve for x
   x = 13,709,100.86/3,985.09
6. Step 6: Final answer
   x = 3,440.10