Finding the Fourth Proportional to 3,460.56, 5,182.56 and 1,998.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,460.56 : 5,182.56 = 1,998.12 : x
2. Step 2: Convert to fraction form
   3,460.56/5,182.56 = 1,998.12/x
3. Step 3: Cross multiply
   3,460.56x = 5,182.56 × 1,998.12
4. Step 4: Simplify right side
   3,460.56x = 10,355,376.79
5. Step 5: Solve for x
   x = 10,355,376.79/3,460.56
6. Step 6: Final answer
   x = 2,992.40