Finding the Fourth Proportional to 3,406.71, 4,699.89 and 2,147.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,406.71 : 4,699.89 = 2,147.34 : x
2. Step 2: Convert to fraction form
   3,406.71/4,699.89 = 2,147.34/x
3. Step 3: Cross multiply
   3,406.71x = 4,699.89 × 2,147.34
4. Step 4: Simplify right side
   3,406.71x = 10,092,261.79
5. Step 5: Solve for x
   x = 10,092,261.79/3,406.71
6. Step 6: Final answer
   x = 2,962.47