Finding the Fourth Proportional to 3,338.57, 5,006.72 and 1,116.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,338.57 : 5,006.72 = 1,116.91 : x
2. Step 2: Convert to fraction form
   3,338.57/5,006.72 = 1,116.91/x
3. Step 3: Cross multiply
   3,338.57x = 5,006.72 × 1,116.91
4. Step 4: Simplify right side
   3,338.57x = 5,592,055.64
5. Step 5: Solve for x
   x = 5,592,055.64/3,338.57
6. Step 6: Final answer
   x = 1,674.99