Finding the Fourth Proportional to 3,405.72, 4,700.04 and 2,146.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,405.72 : 4,700.04 = 2,146.32 : x
2. Step 2: Convert to fraction form
   3,405.72/4,700.04 = 2,146.32/x
3. Step 3: Cross multiply
   3,405.72x = 4,700.04 × 2,146.32
4. Step 4: Simplify right side
   3,405.72x = 10,087,789.85
5. Step 5: Solve for x
   x = 10,087,789.85/3,405.72
6. Step 6: Final answer
   x = 2,962.01