Finding the Fourth Proportional to 3,985.82, 5,500.64 and 2,193.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,985.82 : 5,500.64 = 2,193.39 : x
2. Step 2: Convert to fraction form
   3,985.82/5,500.64 = 2,193.39/x
3. Step 3: Cross multiply
   3,985.82x = 5,500.64 × 2,193.39
4. Step 4: Simplify right side
   3,985.82x = 12,065,054.25
5. Step 5: Solve for x
   x = 12,065,054.25/3,985.82
6. Step 6: Final answer
   x = 3,027.00