Finding the Fourth Proportional to 3,339.60, 5,010.18 and 1,148.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,339.60 : 5,010.18 = 1,148.34 : x
2. Step 2: Convert to fraction form
   3,339.60/5,010.18 = 1,148.34/x
3. Step 3: Cross multiply
   3,339.60x = 5,010.18 × 1,148.34
4. Step 4: Simplify right side
   3,339.60x = 5,753,390.10
5. Step 5: Solve for x
   x = 5,753,390.10/3,339.60
6. Step 6: Final answer
   x = 1,722.78