Finding the Fourth Proportional to 3,459.58, 5,187.81 and 993.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,459.58 : 5,187.81 = 993.82 : x
2. Step 2: Convert to fraction form
   3,459.58/5,187.81 = 993.82/x
3. Step 3: Cross multiply
   3,459.58x = 5,187.81 × 993.82
4. Step 4: Simplify right side
   3,459.58x = 5,155,749.33
5. Step 5: Solve for x
   x = 5,155,749.33/3,459.58
6. Step 6: Final answer
   x = 1,490.28