Finding the Fourth Proportional to 3,346.72, 5,019.80 and 1,038

Step by Step Solution

1. Step 1: Write the proportion equation
   3,346.72 : 5,019.80 = 1,038 : x
2. Step 2: Convert to fraction form
   3,346.72/5,019.80 = 1,038/x
3. Step 3: Cross multiply
   3,346.72x = 5,019.80 × 1,038
4. Step 4: Simplify right side
   3,346.72x = 5,210,552.40
5. Step 5: Solve for x
   x = 5,210,552.40/3,346.72
6. Step 6: Final answer
   x = 1,556.91