Finding the Fourth Proportional to 3,985.68, 5,500.04 and 2,392.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,985.68 : 5,500.04 = 2,392.01 : x
2. Step 2: Convert to fraction form
   3,985.68/5,500.04 = 2,392.01/x
3. Step 3: Cross multiply
   3,985.68x = 5,500.04 × 2,392.01
4. Step 4: Simplify right side
   3,985.68x = 13,156,162.78
5. Step 5: Solve for x
   x = 13,156,162.78/3,985.68
6. Step 6: Final answer
   x = 3,300.86