Finding the Fourth Proportional to 3,338.48, 5,008.20 and 1,116.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,338.48 : 5,008.20 = 1,116.56 : x
2. Step 2: Convert to fraction form
   3,338.48/5,008.20 = 1,116.56/x
3. Step 3: Cross multiply
   3,338.48x = 5,008.20 × 1,116.56
4. Step 4: Simplify right side
   3,338.48x = 5,591,955.79
5. Step 5: Solve for x
   x = 5,591,955.79/3,338.48
6. Step 6: Final answer
   x = 1,675.00