Finding the Fourth Proportional to 2,483.56, 3,418.72 and 2,147.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.56 : 3,418.72 = 2,147.32 : x
2. Step 2: Convert to fraction form
   2,483.56/3,418.72 = 2,147.32/x
3. Step 3: Cross multiply
   2,483.56x = 3,418.72 × 2,147.32
4. Step 4: Simplify right side
   2,483.56x = 7,341,085.83
5. Step 5: Solve for x
   x = 7,341,085.83/2,483.56
6. Step 6: Final answer
   x = 2,955.87