Finding the Fourth Proportional to 2,338.54, 3,510.55 and 1,642.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,338.54 : 3,510.55 = 1,642.35 : x
2. Step 2: Convert to fraction form
   2,338.54/3,510.55 = 1,642.35/x
3. Step 3: Cross multiply
   2,338.54x = 3,510.55 × 1,642.35
4. Step 4: Simplify right side
   2,338.54x = 5,765,551.79
5. Step 5: Solve for x
   x = 5,765,551.79/2,338.54
6. Step 6: Final answer
   x = 2,465.45