Finding the Fourth Proportional to 3,402.54, 4,698.27 and 2,145.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,402.54 : 4,698.27 = 2,145.69 : x
2. Step 2: Convert to fraction form
   3,402.54/4,698.27 = 2,145.69/x
3. Step 3: Cross multiply
   3,402.54x = 4,698.27 × 2,145.69
4. Step 4: Simplify right side
   3,402.54x = 10,081,030.96
5. Step 5: Solve for x
   x = 10,081,030.96/3,402.54
6. Step 6: Final answer
   x = 2,962.80