Finding the Fourth Proportional to 3,404.74, 5,101.91 and 1,429.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.74 : 5,101.91 = 1,429.30 : x
2. Step 2: Convert to fraction form
   3,404.74/5,101.91 = 1,429.30/x
3. Step 3: Cross multiply
   3,404.74x = 5,101.91 × 1,429.30
4. Step 4: Simplify right side
   3,404.74x = 7,292,127.31
5. Step 5: Solve for x
   x = 7,292,127.31/3,404.74
6. Step 6: Final answer
   x = 2,141.76