Finding the Fourth Proportional to 3,985.41, 5,499.25 and 2,217.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,985.41 : 5,499.25 = 2,217.01 : x
2. Step 2: Convert to fraction form
   3,985.41/5,499.25 = 2,217.01/x
3. Step 3: Cross multiply
   3,985.41x = 5,499.25 × 2,217.01
4. Step 4: Simplify right side
   3,985.41x = 12,191,881.16
5. Step 5: Solve for x
   x = 12,191,881.16/3,985.41
6. Step 6: Final answer
   x = 3,059.13