Finding the Fourth Proportional to 2,472.52, 3,412.06 and 1,338.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.52 : 3,412.06 = 1,338.18 : x
2. Step 2: Convert to fraction form
   2,472.52/3,412.06 = 1,338.18/x
3. Step 3: Cross multiply
   2,472.52x = 3,412.06 × 1,338.18
4. Step 4: Simplify right side
   2,472.52x = 4,565,943.91
5. Step 5: Solve for x
   x = 4,565,943.91/2,472.52
6. Step 6: Final answer
   x = 1,846.68